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超声波与次声波

> 下列说法错误的是 A.次声波就是指频率为20Hz的声音 B.地震、火山、海啸等灾害都伴有次声波产生 C.蝙蝠靠发出超声波进行回声定位和判断反射物 D.大象用次声波进行交流

问题：

发布时间：2024-09-08

下列说法错误的是

A.次声波就是指频率为20Hz的声音
B.地震、火山、海啸等灾害都伴有次声波产生
C.蝙蝠靠发出超声波进行回声定位和判断反射物
D.大象用次声波进行交流

参考答案：

提问用户：w6***DvF

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