gra []以下由轻松背单词网站提供
单词级别附加级基本释义abbr. 政府科学研究机构联合会(=Governmental Research Association)参考例句A new method for statistically analyzing the data of the orthogonal trial,Grey Relation Analysis(GRA),is put forward. 提出了正交试验数据计算分析的新方法——灰关联分析法(Grey Relation Analysis,简称GRA)。The hut was made of poles covered with gra mats. 这小屋是用其上面盖草席的柱子搭成的。 推荐阅读 |