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利用反射声波脉冲测定水深或水下物体位置的技术；回声测深法
echo soundings — plural of echo sounding
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利用反射声波脉冲测定水深或水下物体位置的技术；回声测深法；用该技术进行的特定测量；回声探测
The technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water.
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利用反射声波脉冲测定水深或水下物体位置的技术；回声测深法
The technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water.
用该技术进行的特定测量
A particular measurement made using this technique.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.