单词	n ray
释义	n ray n射线
随便看	programed mixture-ratio control programed operator programed pointing programed protection programed stop programed switch programed temperature programed tracking program education programe evaluation and review technique program effect program effectiveness program efficiency program electron beam program element Program Element Administrator Program Element Breakdown Program Element Code Program Element Descriptive Summary program element directive Program Element Identification Program Element Identifier program element monitor program elements Program Element Summary Data