“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	supervisor call supervisor interrupt supervisor mode supervisory computer supervisory control supervisory controlled manipulation supervisory program supervisory routine supervisory signal supervisory system supervoltage supination supplemental chords supplementary angle supplementary condition supplementary group supplementary units supplied-air respirator supply control supply current supply point supply voltage support support base support-coated capillary column

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