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The deep-sea listening system makes use of ______.

发布日期:2021-09-21

The deep-sea listening system makes use of ______.
A

the sophisticated technology of focusing sounds under water

B

the capability of sound to travel at high speed

C

the unique property of layers of ocean water in transmitting sound

D

low-frequency sounds traveling across different layers of water

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此试题出现在

大学英语考试

大学英语四级

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