| 1. | Vlf radio navigation system
甚低频无线电导航系统 |
| 2. | Radio navigation device
无线电导航设备 |
| 3. | Aeronautical radio navigation aids and atc radar station siting criteria
航空无线电导航台和空中交通管制雷达站设置场地规范 |
| 4. | Dme aeronautical radio navigation aids . part 3 : technical requirements for distance measuring equipment
航空无线电导航设备.第3部分：测距仪 |
| 5. | Ils aeronautical radio navigation aids . part 1 : technical requirements for instrument landing system
航空无线电导航设备.第1部分：仪表着陆系统 |
| 6. | Ndb aeronautical radio navigation aids . part 4 : technical requirements for non - directional radio beacon
航空无线电导航设备.第4部分：无方向性信标 |
| 7. | Vor aeronautical radio navigation aids . part 2 : technical requirements for very high frequency omnidirectional range
航空无线电导航设备.第2部分：甚高频全向信标 |
| 8. | Radio navigation makes use of wireless wave , which can be divided into land - based and space - based system according to the position of base point
无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。 |
| 9. | At ancient times , people were navigated by means of sun , fixed stars , etc . , while currently the common navigation systems are astronomic navigation , inertial navigation and radio navigation
以前，人们主要利用太阳、星星等自然天体。现在人们利用的导航系统主要有：天文导航系统、惯性导航系统、无线电导航系统三大类。 |
