您要查找的是不是：
- Tactical Air Navigation Aid 战术空中导航辅助设备
- Tacan (tactical air navigation system) 塔康
- Self-Contained Automatic Tactical Air Navigation 独立自动战术空中导航系统
- Tactical Air Navigation system (TACAN) 战术空中导航系统（TACAN）
- air navigation aid and telecommunication facilities on the airport 飞机场通讯导航设施
- VHF omnidirectional range and tactical air navigation -VORTAC 伏尔塔克导航系统
- Distance Measuring Equipment and Tactical Air Navigation 测距设备与战术空中导航
- Instrument Landing System and Tactical Air Navigation 仪表降落系统与战术空中导航(系统)
- air navigation aid and telecommunication facilities on the airport 飞机场通讯导航设施
- very high frequency omnidirectional range and tactical air navigation 甚高频全向无线电指向标与战术空中导航台
- Air Navigation Aids and Electronics 航空电子类
- tactical air navigational system 战术导弹设备系统
- Some 20 major items of air traffic control (ATC) equipment and air navigation facilities including radar sensors,radar data processing and flight data processing systems,navigational aids and communication systems were installed. 20多项主要航空交通管制及导航仪器设施先后完成安装，包括雷达接收装置、雷达资料及飞行资料处理系统、导航仪器及通讯系统等。
- Some 20 major items of air traffic control (ATC) equipment and air navigation facilities including radar sensors, radar data processing and flight data processing systems, navigational aids and communication systems were installed. 20多项主要航空交通管制及导航仪器设施先后完成安装，包括雷达接收装置、雷达资料及飞行资料处理系统、导航仪器及通讯系统等。
- security control of air traffic and air navigation aids test 空中交通与导航辅助设施之安全控制试验
- air navigation aid 助航设备
- tactical air navigation system 战术导航系统,战术空中导航系统
- TACAN - Tactical Air Navigation 空战导航
- The Impact of Solar Winds on Navigation Aids. 太阳风对导航辅助设备的影响。
- Naval Air Traffic Control and Air Navigation Aids and Landing System 海军空中交通管制和空中导航辅助设备与降落系统
