美国电视与无线电无线电工作女性协会
American women in radio and television
地面无线电通信
terrestrial radiocommunication
terrestrial radio communication
国际空间电信系统和组织
International Space Telecommunication System and Organization
隧道机电系统
tunnel electromechanical system
UMTS地面无线电存取
UMTS terrestrial radio access
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
海面─地面系统
sea level and land surface system