在实际应用的基础上探讨自助服务系统在供电行业的应用背景。并提出自助服务系统的结构和功能设计。

Based on the practical application, discusses the applied background of the self-service system in power supply industry, and makes self-service system design of the structure and function.

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在需求分析和架构设计的基础上，本文主要实现了数据库设计和系统功能设计。

Based on the system requirements and architecture design, this paper mainly implements data base design and the system function design.

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从系统功能设计过程出发，在分析反馈系统工作原理及其功能角色模型构造特点的基础上，认为反馈信号在输入端可等效为正、负、零三种误差信号。

In this paper, based on the functional role model theory, the reasoning rule and the technique of FMEA, which are facing to Built in Test BI.

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