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介质损耗角正切值测量时,采用移相法可以消除( )的干扰。

A、高于试验电源频率

B、与试验电源同频率

C、低于试验电源频率

D、任何频率

时间：2021-07-17 23:25 关键词：发电厂及电力系统高起专高电压技术 2020年第二学期期末考试电力系统自动化技术

答案解析

A

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