major-group

基本解释

My firm has sprouted into a major group in the country.
我的公司已迅速發展成了我國的一個大集團公司。
KS:The next major group of works was the Communication series?
接下來主要的作品集是“交流”系列？
The Democratic Party has been splintered into 3 major groups.
民主黨現在已分裂成了三大派別。
In general, trihalomethanes（THMs）are the major group of DBPs and haloacetic acids（HAAs）are the second.
由於其對健康上之危害，因此美國環保署於1998年訂定消毒劑與消毒副産物法加以琯制。
The Galeaspid is one major group of Agnatha in the Middle Paleozoic,and is mainly distributed in China and North Vietnam.
盔甲魚類是古生代中期化石無頜類的主要類群,其分佈主要限於我國境內以及越南北部。