题目内容

利用( )运算电路可以将方波转换成尖峰波。

A. 积分
B. 微分
C. 比例
D. 加减

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要实现微分运算,可以用()运算电路作为反馈支路。

A. 同相比例
B. 反相比例
C. 积分
D. 微分

积分运算和微分运算互为()

将方波转换成三角波,可以使用()运算电路。

Choose the answer that correctly interprets the sentence from the text.Over time, my remaining hearing dropped to 20 percent, where it is today. (Para.1)

A. Gradually I lost more of my hearing until I was 80 percent deaf, as I currently remain.
B. Soon I lost 20 percent of my hearing after I moved to where I'm living today.

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