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)commensalistic system共栖系统commutation protection换向保护comrnonsense reasoning常识推理commerical transaction商业行为commtmication protocol通信协议commutation phenomenon换向现象comcross tool carriage横刀架commemorative building纪念性建筑物commemorative ceremony纪念仪式commemorative envelope纪念封