“echo sounding”的概念、定义、翻译、参考文献-科学参考

单词	echo sounding
释义	echo sounding [`ek·ō ´sau̇nd·iŋ] ^ENGINEERING Determination of the depth of water by measuring the time interval between emission of a sonic or ultrasonic signal and the return of its echo from the sea bottom.
随便看	gynophore gynostemium gyotaku gypcrete gypsite gypsophilous gypsum gypsum board gypsum cement gypsum earth gypsum lath gypsum plank gypsum plaster gypsum wallboard gypsy gypsy head gypsy moth Gyracanthididae gyration tensor gyration vector gyrator gyrator filter gyratory breaker gyratory crusher gyratory screen

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