Taking the Suzhou power fiber optic communication grid as the object of research, this paper studies the transmission delay during protection and recovery in various channel failures.

以苏州电力光纤通信网西外环为对象，研究了各种通道故障下复用段保护切换、恢复过程中通道时延的变化情况。

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This paper analyzes the practicability, reliability, and security of wireless data communication technology, and the feasibility of its application in thermal power grid supervisory system.

介绍了现有无线数据通讯技术的实用性、可靠性、安全性，分析了该技术在热网监控系统中应用的可行性。

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For example, the network chart of project management, the control chart of power grid and communication and transportation are all common network chart.

比如项目管理中的网络图、电网中的控制图和交通运输中的控制图等都是常见的网络图。

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When a disaster like Hurricane Sandy knocks out the lights, it's essential to have a source of off-grid power for communication devices like cell phones and radios -- to this end we showcased several portable charging technologies that generate renewable energy.

ENGADGET: Inhabitat's Week in Green: self-sustaining homes, wooden wind turbines and the world's first solar-powered nation