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convection    音标拼音: [kənv'ɛkʃən]
n. 传达,对流,对流

传达,对流,对流

convection
对流

convection
对流

convection
n 1: the transfer of heat through a fluid (liquid or gas) caused
by molecular motion
2: (meteorology) the vertical movement of heat or other
properties by massive motion within the atmosphere

Convection \Con*vec"tion\, n. [L. convectio, fr. convehere to
bring together; con- vehere to carry.]
1. The act or process of conveying or transmitting.
[1913 Webster]

2. (Physics) A process of transfer or transmission, as of
heat or electricity, by means of currents in liquids or
gases, resulting from changes of temperature and other
causes.
[1913 Webster]

Liquids are generally heated by convection -- when
heat is applied from below. --Nichol.
[1913 Webster]


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