“phantom bottom”的概念、定义、翻译、参考文献-科学参考

单词	phantom bottom
释义	phantom bottom [`fan·tǝm `bäd·ǝm] ^OCEANOGRAPHY A false bottom indicated by an echo sounder, some distance above the actual bottom; such an indication, quite common in the deeper parts of the ocean, is due to large quantities of small organisms.
随便看	lateral deflection setting lateral deviation lateral displacement lateral drift lateral erosion lateral extensometer lateral face lateral fault lateral flow spillway lateral hermaphroditism lateralia lateral inversion lateral jump lateral lemniscus lateral line lateral-line organ lateral-line system lateral magnification lateral meristem lateral mirage lateral moraine lateral observation lateral parity check lateral planation lateral pointing correction

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