1.
Navigation Data Extraction Based on GPS Software Receiver
GPS软件接收机导航电文提取的研究
2.
aeronautical radionavigation service
航空无线电导航业务
3.
four-course radio range station
四航道无线电导航台
4.
aeronautical radio aids
航空无线电导航设备
5.
Marine Radio Navigation
船舶无线电导航海上无线电导航
6.
radionavigation land statio
无线电导航陆地电台
7.
radio and television aid to navigation
无线电与电视导航工具
8.
talking-down system
无线电导航(着陆)装置
9.
maritime radio navigation service
海上无线电导航业务
10.
radionavigation-satellite service
卫星无线电导航业务
11.
aeronautical fixed radio service
固定无线电导航业务
12.
low frequency radio-range
低频无线电导航信标
13.
lowmedium frequency radio range
低中频无线电导航信标
14.
radio landing beam
无线电着陆导航波束
15.
RATAN (Radar and Television Aid to Navigation)
雷达和电视导航设备
16.
hyperbolic electronic navigation system
双曲线电子导航系统
17.
Gee navigation aid
“奇异”无线电导航系统
18.
navigation and radio homing
远程无线电导航系统