全球无线电导航系统
global radio navigation system
美国电视与无线电无线电工作女性协会
American women in radio and television
北大西洋无线电系统
NARS North Atlantic Radio System
船舶导航无线电发射机
marine beacon transmitter
导航无线电台
aeronautical radio station
radio station
Aeronautical
地面无线电导航
TRN Terrestrial Radio Navigation
地面无线电导航设备
ground radio navigation aid
地面无线电导航站
aeronautical ground radio station
radio station
aeronutical ground