美国电视与无线电无线电工作女性协会
American women in radio and television
地面航空无线电交换机
ground aviation radio exchange
超越地平线无线电通讯
radio communication beyond the horizon
船岸无线电电传打字机
ship-shore radio teletypewriter
船舶间无线电报
intership radio telegraphy
定向无线电报学
directive wireless telegraphy
directional radio telegraphy
国际无线电报与电话咨询委员会
International Radio Consultative Committee for Telegraph and Telephone