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單詞乎

echo sounder

echo sounder是什么意思、echo sounder怎么讀

echo sounder漢語(yǔ)翻譯

【電】 回聲器

echo sounder英語(yǔ)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

echo sounder例句

  1. A device used underwater to produce pulses of sound, as for an echo sounder.
    聲脈沖發(fā)送器置于水下產(chǎn)生聲脈沖的裝置，如回音器中的裝置
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