一阶微分环节,当频率时,则相频特性为( ) -题库考试答案搜索网

一阶微分环节,当频率时,则相频特性为( )

单选题

2021-07-17 23:25

A、45°             
B、-45°             
C、90°              
D、-90°

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正确答案

A

试题解析

标签：发电厂及电力系统高起专自动控制原理 2020年第二学期期末考试

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