英语词汇“thermionic emission”是什么意思，“thermionic emission”的读音、用法及例句翻译-烛光网

词汇	thermionic emission
释义	thermionic emissionn.（名词） Emission of thermions, especially electrons, from a conducting material at high temperatures.热离子发射：热离子发射，尤指电子在高温时由导电物质发射出来
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