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單詞乎

secondary emission

secondary emission是什么意思、secondary emission怎么讀

secondary emission漢語(yǔ)翻譯

【電】 二次發(fā)射

secondary emission英語(yǔ)解釋

名詞 secondary emission:

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

secondary emission例句

  1. An electrode used in certain electron tubes to provide secondary emission.
    中間極，二次發(fā)射電極一種用于一定電子管作第二次發(fā)射電極
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