echo sounder

英 美
  • n.回声探测器
  • echo vi.发出回声;回响vt.重复;模仿;附和n.回声;重复;共鸣Echo.n.[希神]山林女神(失恋于那喀索斯;其哀声留于山间成为回声)
  • sounder n.使东西鸣响的人;鸣响的东西;音响发声器
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"

    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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