They are employed by electric power generation, transmission and distribution companies, electrical contractors and public utility commissions.

他们受雇于发电站，输电和配电公司，电业承办商及公用事业委员会。

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Electric power system is composed of electric power generation, power transmission, power transformation, power distribution, power utilization, and etc.

电力系统是由发电、输电、变电、配电和用电等环节组成的电能生产与消费系统。

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The electric power network is the part of the electric power system but the generators and the consumers; induding substations, transmission lines, and distribution networks.

电力网络是电力系统除去发电机和用户以外的那部分，它包括变电站、输电线路和配电网络。

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At the top of the priority list must be improving the resilience of the nation's electric power generation, transmission, and distribution systems.

CNN: America isn't ready for superstorms