“echo sounder”的概念、定义、翻译、参考文献-科学参考

单词	echo sounder
释义	echo sounder [`ek·ō ´sau̇nd·ǝr] See <<sonic depth finder>>
随便看	wellpoint wellpoint system well-posed problem well-regulated system well shooting well-sorted well spacing well stimulation well-type manometer welt Welwitschiales Wenlockian Wentworth classification Wentworth quick-return motion Wentworth scale Wentzel-Kramers-Brillouin method Werdnig-Hoffmann disease Werfenian stage Werner band Werner complex wernerite Werner's syndrome Wernicke's encephalopathy Wertheim effect west

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