“convection current”的概念、定义、翻译、参考文献-科学参考

单词	convection current
释义	convection current [kǝn`vek·shǝn ´kǝr·ǝnt] ^ELECTRONICS The time rate at which the electric charges of an electron stream are transported through a given surface. ^GEOPHYSICS Mass movement of subcrustal or mantle material as the result of temperature variations. ^METEOROLOGY Any current of air involved in convection; usually, the upward-moving portion of a convection circulation, such as a thermal or the updraft in cumulus clouds. Also known as convective current.
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