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1·According to the design flow of the database, this paper develops a multi-physiological parameter network database with EER concept model and distributed database technology.

本文按照数据库设计方法学流程，采用E ER概念模型和分布式数据库技术，对多生理参数网络数据库的设计进行了阐述。

2·A distributed parameter circuit model is constructed according to characteristics of the radial distribution network and selection of appropriate frequency detection signal.

针对树形配电线路特点，选取适当频率的正弦诊断信号，建立分布参数电路模型。

3·A distributed parameter circuit model has been constructed according to the characteristics of the radial distribution network.

针对分支配电线路特点，建立分布参数电路模型。