operationsoperation的复数形式
operations documentation操作文档编制
Operations Stations Book勤务站手册
Operations Monitor Alarm操作监控警报(器)
Operations Research Unit运筹组
operations determination作业测定
Operations Communication作战通信
operations process chart作业流程图
Operations Priority Unit优先使用单位
Operations Support Flight作战支援飞行
Operations Control System活动控制系统