The analysis of user requirement, the operation flow chart, the subsystem function charts are introduced in this article.

包括用户的需求分析、系统的业务流程图、系统功能模块。

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The tool provided the creation management and maintenance of template and model, protract and output of operation flow chart and print and output of template and conceptual model.

该工具提供了模板和模型的创建、管理和维护，作战流程图的绘制和输出，模板和模型的打印输出等功能。

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Then, we combine the operation regulations in substations with power system rule, analyze the operation of switch in detail, and provide the flow chart of it.

随后论文结合变电站实际操作规定，根据电力系统运行准则，详细分析了变电站倒闸操作的规则，并给出了线路操作的程序化操作流程框图。

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