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为满足电力系统数据模型的高效描述和大量在线数据的高效交换,研发了数据模型描述语言E,它采用面向对象技术,兼容面向关系技术,吸收了XML的优点;在描述100节点CIM模型时,E语言的效率比XML高13．6倍;E语言已在电力调度系统成功应用。
In order to meet the requirements of efficient description of power system data model and efficient exchange of large amount of online data, a data model description language E was developed. It uses object-oriented technology and compatible relation-oriented technology and absorbs the advantages of XML. When describing the 100-node CIM model, E language is 13.6 times more efficient than XML; E language has been successfully applied in power dispatching system.