视图(view)是数据模型面向用户的图形化表示。
The view is a graphical representation of the data model to the user.
配电是电力系统直接面向用户的功能，是电力系统的重要组成部分。
Power distribution system is directly user-oriented features, and one important part of power systems.
配电是电力系统直接面向用户的功能，是电力系统的重要组成部分。
Power distribution system is directly user-oriented features, and one important part of power systems.
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