groupoidn.广群groupn.群；组；团体；集团v.聚合；成群、组；把 ... 聚集；把 ... 分类group delay spread群时延展宽Group Steiner tree组斯坦纳树grouping mechanism穴播机构group intoxication群体陶醉group compensation组补充group preselection官能团预选Groups of evidence证据群group action graph群作用图group contribution基团贡献group agglutinogen类属凝集原