试题与答案

在幅度调制中,过调制会造成信号较大的(),并且增加了发射的()。

题型:填空题

题目:

在幅度调制中,过调制会造成信号较大的(),并且增加了发射的()。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:特等

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请阅读Jennifer的来信,仿照下面的范文替John或Mary写一封自荐信。

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     I'm Jennifer, a 16-year-old girl. I want to be a volunteer. I like fixing up things, so I can help fix up toys for kids in an elementary school.
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