| 释义 |
echo sounder 汉语翻译【电】 回声器 英语解释：名词 echo sounder:- a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
同义词：sonar, asdic
例句：- A device used underwater to produce pulses of sound, as for an echo sounder.
声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置
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