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echo sounder

英 美
  • n.回声探测器

详细释义

Noun:
  1. 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;

    "sonar is an acronym for sound navigation ranging"
    "asdic is an acronym for antisubmarine detection investigation committee"

双语例句

    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

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