secondary emission
中文翻譯:
【電】 二次發射英文字典
英文解釋:
名詞 secondary emission:
- the emission of electrons from a surface that is bombarded by higher energy primary electrons
字典網
英文造句:
- An electrode used in certain electron tubes to provide secondary emission.中間極,二次發射電極一種用於一定電子管作第二次發射電極