The network will tie into PJM's electrical grid, which serves 13 states and Washington D. c.

这个项目的网络将会连接到PJM公司为华盛顿和13个州服务的电网中。

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PV panels produced d. c. electrical output whenever they are exposed to sunlight, so they cannot be switched off.

PV电池板一旦有阳光照射就会输出直流电，它们不能被切断。

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Control and indicating equipment (c. i. e) meets the requirements of GB4717-1993. The test items include Electrical transient bursts , Electrostatic discharge , and Radiated electromagnetic fields.

火灾报警控制器应符合GB4717-1993 标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。

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Besides catching more (or, indeed, any) poachers, he hopes his invention will also prove to be an example of an idea from another one-time electrical engineer, Arthur C.

ECONOMIST: Monitor