实验组experimental group
党组书记secretary, Party Leadership Group
[病毒]类群特异抗原基因[viral]group-specific antigen gene, GAG
吸电子取代基electron with-drawing group
集体助听器group hearing aid
属群genus group
大肠菌群最近似数maximum probable number of coliform group
代数群的伴随群adjoint group of an algebraic group【数】