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

词汇	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	presentable present arms presentation presentation Presentation College Presentation College presentations presentative present-day presented presentee presentees presentient presentiment presentiment presentiments presenting presently presentment presentments present participle present perfect presents present tense present–day

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