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超声波与次声波

> 下列实例不是利用超声波的是 A.蝙蝠利用回声定位确定昆虫的位置 B.用听诊器检查病人心、肺的工作情况 C.外科医生利用声波振动除去人体内的结石 D.发出声波切削坚硬的金刚石

问题：

发布时间：2024-09-13

下列实例不是利用超声波的是

A.蝙蝠利用回声定位确定昆虫的位置
B.用听诊器检查病人心、肺的工作情况
C.外科医生利用声波振动除去人体内的结石
D.发出声波切削坚硬的金刚石

参考答案：

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