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首页 - 英汉词典 - S字开头的单词或词组 - secondary emission

英语解释

secondary emission

汉语翻译

【电】二次发射

secondary emission英语解释

名词 secondary emission:

the emission of electrons from a surface that is bombarded by higher energy primary electrons

secondary emission例句

An electrode used in certain electron tubes to provide secondary emission.
中间极，二次发射电极一种用于一定电子管作第二次发射电极

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