nucleus mass是什么意思

用法例句

Discussion of key points in raising project settlement checking quality;

论提高工程结算审核质量的要点

This article is casting lights on the ways of improving the check-up quality about the physical experiments done in normal colleges by the means of check-up system,check-up manner and check-up performance,etc.

从考核制度、考试方式、考核成绩评定等方面探讨了提高物理实验考核质量的方