| 释义 |
secondary emission 【电子学】次级发射；二次发射 以上来源于：《21世纪大英汉词典》 secondary emissionn.① 【電腦】二次發射secondary emissionn.【物】二次发射；次级发射详细释义源自:《新世纪英汉大词典》Collins外研社 n.二次发射；次级发射【物理学】英英释义n.the emission of electrons from a surface that is bombarded by higher energy primary el |