Last Updated：2025/11/28
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The research vessel deployed an echosounder to map the seafloor's contours.
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The research vessel deployed an echosounder to map the seafloor's contours.
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Related words
echosounder
Noun
alt-of
alternative
Japanese Meaning
（echo sounder の別形）水中で音波を利用して水深や海底の状態を測定する装置。
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