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- Fixed Pulse Radar Navigation Aid 固定脉冲雷达导航设备
- Mobile Pulse Radar Navigation Aid 流动脉冲雷达导航辅助设备
- Air Transportable Pulse RADAR Navigation Aid 可空运的脉冲雷达导航设备
- radar navigation aid 雷达导航设备
- Airborne RADAR Navigational Aid 机载雷达导航设备
- The Impact of Solar Winds on Navigation Aids. 太阳风对导航辅助设备的影响。
- A glove-based navigation aid for blind and visually impaired people wins awards for a team of Cambridge students. 专为盲人和视力受损人士设计的导航手套为几个剑桥大学的学生赢得了众多奖项。
- Such navigation aid for the sea of information would be highly useful only in complex contexts such as global change. 这种信息之海的领航援助，只有在全球变迁这种复杂议题下才会非常有用。
- The Automatic Identification System(AIS) is a new kind of navigation aid and its installation has been mandatory by the IMO MSC 73 conference. 船舶自动识别系统(Automatic Identification System,简称AIS)是一种新型的船舶辅助导航设备,国际海事组织已通过AIS强制性安装议案。
- Web course developed by the platform can provide students with learning style, learning materials and navigation aid which fit their features and needs. 该平台开发的网络课程能提供学习者适合他们特征和需要的学习方式、学习内容和导航帮助。
- The Automatic Identification System(abbreviated as AIS)is a new navigation aid,which is tobe mandatory for the installment on ships by the MSC73 Resolution,IMO. 船舶自动识别系统(Automatic Identification System,简称 AIS)是一种新型的船舶辅助导航设备，IMO MSC73会议已通过 AIS 强制性安装议案。
- Velocity inertial radar navigation system 速度惯性雷达导航系统
- TELERAN Television Radar Navigation System 电视雷达导航系统
- television and radar navigation system 电视雷达导航系统
- Methods: Precision, time requirements, and number of scout images for repositioning the fluoroscope, with and without navigation aid, were recorded on 20 test-rig and 3 phantom setups. 方法：应用导航技术和非导航技术重新定位检查器的准确度、需求时间和投射次数被记录在20个实验设备和3个模型装备上。
- Velocity Inertia Radar Navigation System 速度惯性雷达导航系统
- Aircraft Radar Navigation System 飞机雷达导航系统
- Bombing Radar Navigation Equipment 轰炸雷达导航设备
- Not having proper navigational aids the pilot had been unaware of the changing conditions and had flown the plane right into the eye of the tropical storm. 由于没有适当的导航援助，飞行员不了解周围气候的变化情况，将飞机直接飞入了热带飓风眼内。
- radar navigation by map-matching 地图匹配式雷达导航
