operationn.操作;运转;经营;行动;手术;运算;生效;(复)运筹学
Operation environment simulation作战环境仿真
operation research and synthesis[经] 经营业务的综合研究
Operation and dispatching system运营调度系统
Operation Plan in Concept Format作战计划格式
operation and maintenance charge运行维护管理费
Operation for sex transformation性转变手术
Operation and Supervisory System运营监控系统
Operation rule of inverse system逆系统运算法则