题目内容：
将超声波转换成电信号是利用压电材料的逆压电效应。
A.正确
B.错误
参考答案：
选择题：将超声波转换成电信号是利用压电材料的逆压电效应。
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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