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echo sounder

讀音

漢語翻譯

【電】 回聲器

英文解釋：

名詞 echo sounder:

  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
    同義詞：sonar, asdic

例句：

  1. A device used underwater to produce pulses of sound, as for an echo sounder.
    聲脈衝傳送器置於水下產生聲脈衝的裝置，如回音器中的裝置

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