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定宽调频是斩波器的一种( )

单选题
2021-09-01 19:53
A、时间比控制方式
B、瞬时值控制
C、移相控制方式
D、模糊控制
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正确答案
A

试题解析

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定宽调频是斩波器的一种( )
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