transmit messages via radio waves a
indicating radiation or radioactivity
radio aerial
[电讯] 无线电天线
radio aid to navigation
[电] 无线电导航设备
radio alarm
[计] 无线电报警
radio altimeter
[机] 无线电测高度计
radio altitude
[电] 无线电高度
radio amateur code
[电] 业余无线电缩语
radio announcer
un. 电台播音员[网络] 电台广播员;无线电播音员;这个是播音员
radio antenna
un. 无线电台天线;收音机天线[网络] 无线电天线;通信天线;收音机有源天线
radio approach aids
[电] 无线电接近辅助
radio astronomer
n. 射电天文学
radio astronomy
radio attenuation
[电] 无线电衰减
radio beacon
[电] 无线电指标
radio beacon station
[电] 无线电指标台
radio beam
射电波束[电] 无线电射束
radio bearing
[电] 无线电方位
radio brightness
射电亮度
radio broadcast
[电] 无线电广播
radio broadcasting
radio broadcasting station
[电] 无线电广播电台