常用知识 | 交换机带宽、网络带宽，你分得清吗？
<section style="box-sizing: border-box;font-size: 16px;"><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="display: flex;flex-flow: row nowrap;margin: 20px 0%;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;flex: 100 100 0%;vertical-align: top;align-self: stretch;height: auto;background-position: 50% 50%;background-repeat: no-repeat;background-size: cover;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq7NNqIhDicvzicYibTylcHFicPKfBBMpYFuFsLsg73ibULOkyZibQGMLJsf7jZowOltl9InYh4iaZpVjHyTg/640?wx_fmt=png");box-sizing: border-box;"><section style="text-align: right;margin-top: -11px;margin-right: 0%;margin-left: 0%;justify-content: flex-end;transform: translate3d(17px, 0px, 0px);display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;line-height: 0;align-self: flex-start;box-sizing: border-box;"><section style="text-align: left;transform: translate3d(-7px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 8px;height: 8px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 1px;border-color: rgba(255, 255, 255, 0) rgb(203, 220, 244) rgb(203, 220, 244) rgba(255, 255, 255, 0);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section><section style="text-align: left;margin-top: -1px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 8px;height: 8px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 1px;border-color: rgb(203, 220, 244) rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgb(203, 220, 244);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;padding-left: 10px;border-width: 0px;flex: 200 200 0%;align-self: stretch;height: auto;border-style: solid;border-color: rgb(62, 62, 62);box-sizing: border-box;"><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-position: 0% 0%;background-repeat: repeat-x;background-size: auto 100%;background-attachment: scroll;padding: 1px 5px 1px 1px;letter-spacing: 0px;align-self: flex-start;flex: 0 0 auto;background-image: url("https://mmbiz.qpic.cn/mmbiz_gif/p8CaKzvQibq7NNqIhDicvzicYibTylcHFicPKiabJBP16f80ibSAibcZQMepWSucbtRQbrXYXO4D34IW9Uej0O41r6XQSA/640?wx_fmt=gif");box-sizing: border-box;"><section style="justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(255, 255, 255);align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;isolation: isolate;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 50px;height: 25px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 1px;border-radius: 0px 0px 50px 50px;border-color: rgba(255, 255, 255, 0) rgb(237, 209, 166) rgb(237, 209, 166);background-image: linear-gradient(90deg, rgb(249, 216, 164) 0%, rgb(255, 236, 196) 100%);box-sizing: border-box;"><section style="color: rgb(164, 137, 95);font-size: 14px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">小郭</strong></p></section></section></section><section style="margin-top: -15px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 36px;color: rgba(220, 231, 246, 0.41);text-align: center;line-height: 0.8;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">工程商</strong></p></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;padding-right: 10px;padding-left: 10px;letter-spacing: 1px;line-height: 1.7;color: rgb(113, 112, 113);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">小郭是一个工程商，最近遇到自己的客户反馈如下两个问题：</p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-bottom: -1px;margin-left: 0%;text-align: center;line-height: 0.8;font-size: 21px;box-sizing: border-box;" powered-by="xiumi.us"><section style="width: 0px;display: inline-block;border-bottom: 0.8em solid rgb(192, 200, 209);box-sizing: border-box;border-left: 0.7em solid transparent !important;border-right: 0.7em solid transparent !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section><section style="margin-right: 0%;margin-bottom: 10px;margin-left: 0%;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: middle;border-left: 5px none rgb(255, 87, 156);border-bottom-left-radius: 0px;padding: 10px;background-color: rgb(245, 245, 245);border-top: 4px solid rgb(217, 237, 244);border-top-left-radius: 0px;align-self: center;flex: 0 0 auto;box-sizing: border-box;"><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;padding-right: 10px;padding-left: 10px;color: rgb(54, 54, 54);letter-spacing: 1.2px;line-height: 1.9;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(52, 110, 183);box-sizing: border-box;">▶录像机本地画面时有时无，现场的网线和供电都没有问题，但是画面有时候会掉线。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(52, 110, 183);box-sizing: border-box;"><br style="box-sizing: border-box;"></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(52, 110, 183);box-sizing: border-box;">▶录像机本地正常预览，但通过手机远程看视频的时候加载很慢，画面一直在缓冲中，要加载很久画面才能够加载出来。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(52, 110, 183);box-sizing: border-box;"><br style="box-sizing: border-box;"></span></p></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">本篇文章，康康就小郭遇到的这两个案例，来展开讲讲，到底是<strong style="box-sizing: border-box;"><span style="font-size: 17px;color: rgb(52, 110, 183);box-sizing: border-box;">什么原因</span></strong>造成这两个情况的。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;justify-content: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;padding-right: 10px;padding-left: 10px;border-style: solid;border-width: 0px;border-color: rgb(62, 62, 62);box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;margin-right: 0%;margin-bottom: -9px;margin-left: 0%;justify-content: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;line-height: 0;box-sizing: border-box;"><section style="text-align: left;justify-content: flex-start;margin-right: 0%;margin-left: 0%;transform: translate3d(-7px, 0px, 0px);display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: left;justify-content: flex-start;transform: translate3d(7px, 0px, 0px) rotateY(180deg);-webkit-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-moz-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-o-transform: translate3d(7px, 0px, 0px) rotateY(180deg);display: flex;flex-flow: row nowrap;box-sizing: border-box;"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section></section><section style="display: flex;flex-flow: row nowrap;margin-right: 0%;margin-left: 0%;justify-content: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;flex: 100 100 0%;align-self: flex-start;height: auto;z-index: 2;padding: 3px 6px;box-sizing: border-box;"><section style="font-size: 17px;color: rgb(106, 106, 106);line-height: 1.8;letter-spacing: 1.8px;text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">交换机性能</strong></p></section></section></section><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: flex;flex-flow: row nowrap;margin-top: -10px;margin-right: 0%;margin-left: 0%;transform: rotateX(180deg);justify-content: center;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;line-height: 0;box-sizing: border-box;"><section style="text-align: left;justify-content: flex-start;margin-right: 0%;margin-bottom: 1px;margin-left: 0%;transform: translate3d(-7px, 0px, 0px);display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/17c93337-a161-4556-b4ca-c2fa4890cc29.png" ></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: left;justify-content: flex-start;transform: translate3d(7px, 0px, 0px) rotateY(180deg);-webkit-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-moz-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-o-transform: translate3d(7px, 0px, 0px) rotateY(180deg);display: flex;flex-flow: row nowrap;box-sizing: border-box;"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;margin-right: 4px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;transform: translate3d(10px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(113, 112, 113);line-height: 1.4;letter-spacing: 2px;padding-right: 8px;padding-left: 8px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">交换机背板带宽（交换容量）</strong></p></section></section><section style="margin: 2px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(192, 200, 209);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 100 100 0%;height: auto;line-height: 0;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 2px;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 25px;vertical-align: bottom;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(65, 186, 126);border-width: 0px;align-self: flex-end;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section><section style="margin: -2px 0% 10px;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-style: none solid solid;border-width: 2px;border-color: rgb(65, 186, 126) rgb(192, 200, 209) rgb(192, 200, 209);padding: 10px 16px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 15px;color: rgba(62, 62, 62, 0.94);line-height: 1.8;letter-spacing: 1.8px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">交换机背板带宽，也称交换容量，是指在单位时间内，交换机能处理的最大数据量。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">背板可以理解为交换机或路由器内部的一条数据总线，设备端口间的数据交换都在总线上传输。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;">背板带宽是背板的物理属性，标志了交换机总的数据交换能力，单位为Gbps(G bit per second，即每秒传输多少Gbit的数据)，一般的交换机的背板带宽从几Gbps到上百Gbps不等。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">理论上一台交换机的背板带宽越高，所能处理数据的能力就越强</strong>，但这个参数同样受到交换机端口规格的限制。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">每个交换机都有自己的背板带宽，上图交换机的背板带宽是36Gbps。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;opacity: 0.41;justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 95%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 10px 0% -15px;justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 95%;vertical-align: top;border-style: none;border-width: 0px;border-color: rgba(48, 117, 153, 0.34);padding: 2px;background-color: rgba(48, 117, 153, 0.18);align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(48, 117, 153);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section><section style="margin-top: -2px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/697f07ea-0861-4b2f-837b-a0f8ce468afd.png" ></section></section></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(52, 110, 183);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">所以，如果交换机的性能不足时，容易造成监控画面卡顿、掉线的情况， 可以根据现场的实际情况选择</strong><strong style="box-sizing: border-box;">端口规格更高并且交换容量更高的交换机</strong><strong style="letter-spacing: 1.2px;box-sizing: border-box;">，从而达到数据稳定传输的目的。</strong></p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;justify-content: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;padding-right: 10px;padding-left: 10px;border-style: solid;border-width: 0px;border-color: rgb(62, 62, 62);box-sizing: border-box;"><section style="display: flex;flex-flow: row nowrap;margin-right: 0%;margin-bottom: -9px;margin-left: 0%;justify-content: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;line-height: 0;box-sizing: border-box;"><section style="text-align: left;justify-content: flex-start;margin-right: 0%;margin-left: 0%;transform: translate3d(-7px, 0px, 0px);display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: left;justify-content: flex-start;transform: translate3d(7px, 0px, 0px) rotateY(180deg);-webkit-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-moz-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-o-transform: translate3d(7px, 0px, 0px) rotateY(180deg);display: flex;flex-flow: row nowrap;box-sizing: border-box;"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section></section><section style="display: flex;flex-flow: row nowrap;margin-right: 0%;margin-left: 0%;justify-content: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;flex: 100 100 0%;align-self: flex-start;height: auto;z-index: 2;padding: 3px 6px;box-sizing: border-box;"><section style="font-size: 17px;color: rgb(106, 106, 106);line-height: 1.8;letter-spacing: 1.8px;text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">网络带宽</strong></p></section></section></section><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: flex;flex-flow: row nowrap;margin-top: -10px;margin-right: 0%;margin-left: 0%;transform: rotateX(180deg);justify-content: center;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;line-height: 0;box-sizing: border-box;"><section style="text-align: left;justify-content: flex-start;margin-right: 0%;margin-bottom: 1px;margin-left: 0%;transform: translate3d(-7px, 0px, 0px);display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="transform: perspective(0px);-webkit-transform: perspective(0px);-moz-transform: perspective(0px);-o-transform: perspective(0px);transform-style: flat;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: left;justify-content: flex-start;transform: translate3d(7px, 0px, 0px) rotateY(180deg);-webkit-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-moz-transform: translate3d(7px, 0px, 0px) rotateY(180deg);-o-transform: translate3d(7px, 0px, 0px) rotateY(180deg);display: flex;flex-flow: row nowrap;box-sizing: border-box;"><section style="display: inline-block;width: 10px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(52, 110, 183);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="text-align: center;white-space: normal;box-sizing: border-box;">网络带宽一般分为<strong style="box-sizing: border-box;"><span style="color: rgb(52, 110, 183);box-sizing: border-box;">上行带宽</span></strong>和<span style="color: rgb(52, 110, 183);box-sizing: border-box;"><strong style="box-sizing: border-box;">下行带宽</strong></span></p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;margin-right: 4px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;transform: translate3d(10px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(113, 112, 113);line-height: 1.4;letter-spacing: 2px;padding-right: 8px;padding-left: 8px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">1、上行带宽</strong></p></section></section><section style="margin: 2px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(192, 200, 209);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 100 100 0%;height: auto;line-height: 0;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 2px;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 25px;vertical-align: bottom;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(65, 186, 126);border-width: 0px;align-self: flex-end;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section><section style="margin: -2px 0% 10px;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-style: none solid solid;border-width: 2px;border-color: rgb(65, 186, 126) rgb(192, 200, 209) rgb(192, 200, 209);padding: 10px 16px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 15px;color: rgba(62, 62, 62, 0.94);line-height: 1.8;letter-spacing: 1.8px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">所谓上行带宽即上行速率一般是指从你的电脑上传的速度，<strong style="box-sizing: border-box;">上行速率是指用户电脑向网络发送信息时的数据传输速率</strong>。</p></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">比如用FTP上传文件到网上去，影响上传速度的就是“上行速率”；又比如录像机远程访问，录像机本地摄像头的视频流通过你的上行带宽发送到远程的平台中进行转发，这占用的就是你的上行带宽。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">上图录像机连接路由器，路由器连接Modem，Modem接入互联网中，占用的就是你的上行带宽。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;margin-right: 4px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;transform: translate3d(10px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="color: rgb(113, 112, 113);line-height: 1.4;letter-spacing: 2px;padding-right: 8px;padding-left: 8px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">2、下行带宽</strong></p></section></section><section style="margin: 2px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(192, 200, 209);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 100 100 0%;height: auto;line-height: 0;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 2px;margin-left: 0%;display: flex;flex-flow: row nowrap;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 25px;vertical-align: bottom;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(65, 186, 126);border-width: 0px;align-self: flex-end;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section><section style="margin: -2px 0% 10px;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-style: none solid solid;border-width: 2px;border-color: rgb(65, 186, 126) rgb(192, 200, 209) rgb(192, 200, 209);padding: 10px 16px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="font-size: 15px;color: rgba(62, 62, 62, 0.94);line-height: 1.8;letter-spacing: 1.8px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">下行带宽即下行速率是指网络向用户电脑或手机发送信息时的传输速率</strong>，从网上下载文件，影响下载速度的就是“下行速率”。</p></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">所以你通过手机APP远程查看画面的时候，就是通过你的下行带宽从远程平台获取设备的视频流，从而能够在手机或者电脑上进行画面预览。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="display: flex;flex-flow: row nowrap;margin: 10px 0%;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: middle;width: auto;flex: 100 100 0%;align-self: center;height: auto;box-sizing: border-box;"><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(222, 222, 222);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section><section style="display: inline-block;vertical-align: middle;width: 43px;align-self: center;flex: 0 0 auto;height: auto;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: right;justify-content: flex-end;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 30px;vertical-align: top;flex: 0 0 auto;height: auto;line-height: 0;background-color: rgb(65, 186, 126);align-self: flex-start;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 100 100 0%;box-sizing: border-box;"><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(222, 222, 222);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section></section></section><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">我们平常访问互联网的过程中存在这两种行为：一是上传数据，二是下载数据。上行宽带(速度)指的是上传的速度，而下行宽带(速度)指的是下载数据的速度。</p><p style="white-space: normal;box-sizing: border-box;">一般来说上行宽带(速度)和下行宽带(速度)是不对称的，一般是下行速度大于上行的速度。<strong style="box-sizing: border-box;">我们平时所使用的宽带说多少M，都是指的下行宽带</strong>，因为我们上网主要是从互联网上下载数据，而上传的数据量要少很多。</p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;opacity: 0.41;justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 95%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 10px 0% -15px;justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 95%;vertical-align: top;border-style: none;border-width: 0px;border-color: rgba(48, 117, 153, 0.34);padding: 2px;background-color: rgba(48, 117, 153, 0.18);align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-color: rgb(48, 117, 153);height: 2px;box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"/></section></section><section style="margin-top: -2px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;line-height: 0;letter-spacing: 0px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/697f07ea-0861-4b2f-837b-a0f8ce468afd.png" ></section></section></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="font-size: 15px;color: rgb(52, 110, 183);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="letter-spacing: 1.2px;box-sizing: border-box;">所以，我们在手机App远程预览画面时，录像机需要通过自己所在网络的上行带宽将视频流上传到远程的平台，此时如果设备端所在的上行带宽速率不足时，就会出现画面一直缓冲的情况。</strong><br style="box-sizing: border-box;"></p></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 15%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;border-width: 0px;border-radius: 100%;border-style: none;border-color: rgb(62, 62, 62);overflow: hidden;box-shadow: rgb(0, 0, 0) 0px 0px 0px;box-sizing: border-box;"></section></section></section><section style="display: inline-block;vertical-align: top;width: 8%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: right;margin-top: 25px;margin-right: 0%;margin-left: 0%;transform: translate3d(4px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 20px;height: 30px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/60a92480-aacf-4d2b-b20d-598f71859470.png" ></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: 54%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-top: 10px;padding-bottom: 10px;box-sizing: border-box;"><section style="text-align: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;border-width: 3px;border-style: solid;border-color: rgb(0, 0, 0);background-color: rgb(255, 255, 255);box-sizing: border-box;"><section style="margin: -4px 0% -10px;justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: left;transform: translate3d(-4px, 0px, 0px);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;line-height: 0;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/203fa676-d533-43f8-8b45-0a1561327f38.png" ></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: 50%;border-width: 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: left;transform: translate3d(4px, 0px, 0px) rotateY(180deg);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;border-width: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/203fa676-d533-43f8-8b45-0a1561327f38.png" ></section></section></section></section></section></section><section style="margin: -20px 0% -15px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding: 5px 10px;border-width: 0px;box-sizing: border-box;"><section style="margin-top: 5px;margin-right: 0%;margin-left: 0%;transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;letter-spacing: 1px;font-size: 15px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">今天的知识点，你学会了吗？</strong></p></section></section></section></section><section style="margin: -10px 0% -4px;transform: rotateX(180deg);-webkit-transform: rotateX(180deg);-moz-transform: rotateX(180deg);-o-transform: rotateX(180deg);justify-content: center;display: flex;flex-flow: row nowrap;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: left;transform: translate3d(-4px, 0px, 0px);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;line-height: 0;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/203fa676-d533-43f8-8b45-0a1561327f38.png" ></section></section></section></section></section><section style="display: inline-block;vertical-align: top;width: 50%;border-width: 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: left;transform: translate3d(4px, 0px, 0px) rotateY(180deg);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 12px;height: 12px;vertical-align: top;overflow: hidden;border-width: 0px;line-height: 0;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img src="https://neice.26x.net/UploadFile/common/wechat//2023/02-19/203fa676-d533-43f8-8b45-0a1561327f38.png" ></section></section></section></section></section></section></section></section></section></section></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><p style="white-space: normal;box-sizing: border-box;" powered-by="xiumi.us"><br style="box-sizing: border-box;"></p><p style="text-align: center;"><!--LINK#0_0--></p><p style="margin-bottom: 0px;outline: 0px;max-width: 100%;box-sizing: border-box;color: rgb(113, 112, 113);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;white-space: normal;background-color: rgb(255, 255, 255);font-size: 15px;letter-spacing: 1.2px;text-align: center;overflow-wrap: break-word !important;"><br></p><section style="margin-bottom: 16px;outline: 0px;max-width: 100%;color: rgb(113, 112, 113);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;white-space: normal;background-color: rgb(255, 255, 255);font-size: 15px;letter-spacing: 1.2px;text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><mp-common-profile class="js_uneditable js_wx_tap_highlight" data-pluginname="mpprofile" data-id="MjM5MDgwNjU4MA==" data-headimg="http://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq646IdGmcdEibF1UnxF4ofg7rFNcftwJqibGFziawkYxnyE2fectdoxibSSJBzK4jGtaq0tVIn0Pbic3Rg/0?wx_fmt=png" data-nickname="海康威视客户服务" data-alias="hikvision400" data-signature="杭州海康威视数字技术股份有限公司官方服务平台，为用户提供24小时在线技术服务支持，同时支持售后维修申请、知识库、操作视频、安防计算器等功能，为您提供全方位售后服务。" data-from="2" data-is_biz_ban="0" has-insert-preloading="1" data-index="0" data-origin_num="685" data-isban="0" data-weui-theme="light"></mp-common-profile></section><p style="margin-bottom: 0px;outline: 0px;max-width: 100%;color: rgb(113, 112, 113);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 16px;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><section data-support="96编辑器" data-style-id="28661" style="margin-bottom: unset;outline: 0px;max-width: 100%;color: rgb(113, 112, 113);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;white-space: normal;background-color: rgb(255, 255, 255);font-size: 15px;letter-spacing: 1.2px;text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="outline: 0px;max-width: 100%;display: flex;justify-content: space-between;align-items: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="margin-right: auto;margin-left: auto;outline: 0px;max-width: 100%;width: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">点分享</strong></span></p></section><section style="margin-left: 10px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="margin-right: auto;margin-left: auto;outline: 0px;max-width: 100%;width: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">点收藏</strong></span></p></section><section style="margin-left: auto;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="margin-right: auto;margin-left: auto;outline: 0px;max-width: 100%;width: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">点点赞</strong></span></p></section><section style="margin-left: 10px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="margin-right: auto;margin-left: auto;outline: 0px;max-width: 100%;width: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">点在看</strong></span></p></section></section></section></section></section><p style="display: none;"><mp-style-type data-value="3"></mp-style-type></p>
页:
[1]