operation box操作框operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学Operation under pressure带压作业operation administration业务管理Operation on soft tissue软组织手术operation instrument set手术器械包operation system porting操作系统移植Operation on mediastinum纵隔手术operation sin arithmetic数学的运算operation transform pair运算变换对Operation on nasopharynx鼻咽手术operation control system经营管理系统,操作控制系统