echo sounding迴聲探測學術名詞回聲測深:造船工程、機械工程、海洋地質學回音測深:海洋科學、海事回聲探測:電機工程、電力工程回聲測深法:測量學回聲[探測]:土木工程音響測深:海事聲波測深法:海洋地質學英文釋義determining the location of something by measuring the time it takes for an echo to return from it