xenonn.[化]氙Xenon is extremely rare.疝原素非常稀有。xenon-override potential氙越过势xenon high-pressure lamp高压氙灯xenon arc photocoagulation氙弧光凝固疗法xenon platinum hexafluoride[化] 六氟合铂酸氙xenon lamp starting program氙灯开启程序xenon radionuclide scanning氙放射核素扫描xenon chloride excimer laser氯化氙准分子激光器xenon-enhanced CT scanning氙增强的计算机断层扫描xenon fluoride excimer laser氟化氙准分子激光器