COMDXn.电子计算机交易会COMabbr.计算机输出缩微胶片(=computer-output microfilm)abbr.组件对象模型(=Component Object Model)Comminution efficiency粉碎效率com Dactylisa setifera玉米铁甲虫commingling production多层合采commutator shrink ring整流子绑圈COMSEC Utility Package通信保密设施效用包Commelina suffruticosan.大叶鸭跖草Communities identities群落特征commutator transformer换向器式变流器COM apparent viscosity计算机输出缩微胶卷表面粘度cominental geodynamics大陆动力学