calibration radio-beacon供校正用的无线电信标
radio fanmarker beacon扇形指点标
radio o beacon无线电信标
marker radio-beacon标志无线电信标
radio-beacon facilities[电讯] 无线电信标设备
radio marker beacon station[航] 无线电标志信标电台
radio range beacon无线电导航信标;翻译
radio-beacon buoy[水运] 无线电信标浮标
radio marker beacon无线电标志信标
N（名词） a fixed radio transmitting station that broadcasts a characteristic signal by means of which a vessel or aircraft can determine its bearing or position 无线电信标 (Sometimes shortened to beacon)