echo sounder [电] 回声器
- 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 - Inspection installation and water tightness transducer of echo sounder on berth.
测深仪换能器船台安装和水密性检查。
echo sounder[ noun ]
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
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sonar is an acronym for sound navigation rangingasdic is an acronym for antisubmarine detection investigation committee