英语词汇secondary emission怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	secondary emission
释义	secondary emissionn.（名词） Emission of electrons from the surface of a substance as a result of bombardment by electrons or ions.二次发射：电子或中子爆炸时产生物质表面的电子发射
随便看	tetralogies tetralogy tetralogy of Fallot tetramer tetramerous tetramers tetrameter tetraodontoxin tetraploid tetraploids tetrapod tetrapodous tetrapods tetrapterous tetrarch tetrarchies tetrarchs tetrarchy tetras tetrasporangium tetraspore tetratomic tetravalent tetravalents tetrazzini

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