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 echo sounder 添加此单词到默认生词本
[电] 回声器

  1. 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
  2. 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
<noun.artifact>
sonar is an acronym for sound navigation rangingasdic is an acronym for antisubmarine detection investigation committee


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