语言是由国家电力调度通信中心开发的电力系统数据模型描述语言。

E language is a data model descriptive language for the power system developed by National Electric power Dispatching and Communication Center.

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国家电力调度通信中心。电力系统继电保护实用技术问答[M]。北京：中国电力出版社.2000。

National Electric Power Dispatching & Communication Center. Questions and Answers About Power System relay[M]. Beijing:CEPP. 2000

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