试题与答案

如图所示电路是一个（）。  A.带通滤波器 B.高通滤波器 C. 低通滤波器 D.带

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题型：单项选择题

题目：

如图所示电路是一个（）。

 

A.带通滤波器

B.高通滤波器

C. 低通滤波器

D.带阻滤波器

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析： 凯恩斯主义者承认通货膨胀率和失业率之间不存在长期的交替关系，但是他们非常强调二者之间短期的交替关系，因此A项不正确；货币主义经济学家也承认通货膨胀牢和失业率之间短期交替关系的存在...

考点：注册机械工程师机械公共基础电工电子技术
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