operational mile运行哩油量operationaladj.操作的；运作的；可用的；作战的Operational Teletype Communications Subsystem实用电传打字通信分系统operational effectiveness evaluation analysis作战效能分析Operational dimension calculation by computer计算机辅助工序尺寸计算Operational Maneuvering Reentry Vehicle Study作战机动再入式飞行器研究Operational Reentry Systems Evaluation Program作战再入系统鉴定计划operational radiation instrumentation equipment现用放射性仪器设备Operational Intelligence Collection Requirement作战情报搜集要求operational activities/costs/difficulties营运上的活动/成本/困难Operational Research and Analysis Establishment作战研究分析机构Operational Readiness Inspection Training Group战备检查训练小组