航空无线电通信
aeronautical radio service
aviation radio communication
Communication
aviation radio
Service
aeronautical radio
航空无线电通信系统
avionic wireless communication system
航空器无线电台执照
aircraft radio station certificate
美国电视与无线电无线电工作女性协会
American women in radio and television
超越地平线无线电通讯
radio communication beyond the horizon
实用无线电通信
URC Utility Radio Communication
通用无线电接收机
general purpose radio receiver
通用无线通信协会
utilization ratioUniversal Wireless Communications consortium
UTRAUniversal Wireless Communications consortium
地面航空无线电交换机
ground aviation radio exchange
国际航空无线电行政会议
international administration aeronautical radio conference