奥格电子出现电位光谱学
Auger electron appearance spectroscopy
不守恒过程出现条件
condition of non-conservation process
出现的相关性
the relevance of occurrence of the follow up move
出现点2.邮局协定
POP： Point of Present Post Office Protocol
出现电热谱仪
appearance potential spectrometer
出现断层
had not planned a successor