超: exceed; surpass; overtake低频: low frequency无线电波: radio wave; airwave甚低频无线电波传输: vlf radio wave propagation中频无线电波: medium frequency radio wave视频无线电波段: vrr visual radio range低频无线电望远镜: low frequency radio telescope低频无线电信标: low-frequency radio beacon低频无线电指向标: low-frequency radio range低频无线电导航系统: radio navigation system低频无线电导航信标: low frequency radio-range甚低频无线电导航系统: very low frequency radio navigation system; vlf radio navigation system四航道低频无线电信标: four-course low-frequency radio range高频无线电: high frequency radio展频无线电: spread spectrum radio无线电波长: radio wavelength无线电波导: radio duct无线电波道: radio canal; radio channel; radio duct; radiocha el无线电波法: radio wave method; radio-wave method; radiowavelaw; radiowavemethod无线电波谱: radio wave spectrum无线电波束: radio beam无线电波源: radio source无线电波柱: beam, radio无线电电波: radiobeam超高频无线电: vhf very high frequency
