radio wave [电子] 无线电波 ; 电波 ; 射频信号
atmospheric radio wave [电子] 大气无线电波 ; 大气反射波
UHF radio wave UHF电波
Radio Wave Refraction Correction 电波折射修正
radio wave management gis system 无线电管理gis
radio wave propagation 无线电波传播 ; 电波传播 ; 无线电波传插
cosmic radio wave [天] 宇宙射电波 ; 宇宙电波
radio wave absorption 电波吸收 ; [电子] 无线电波吸收
LF radio wave LF无线电波
VLF radio wave 甚低频电磁波
Radio telescopes are sometimes grouped together, is the same effect as having one big telescope to increase radio wave gathering power.
射电望远镜有时会被组合在一起，这与使用一个大望远镜来增加无线电波的收集能力是一样的。
Short-wave radio uses the 20-50 metre band.
短波收音机用的波段是20–50米。
If you hook a radio wave up with a radio, you can tell the radio wave was there because what the radio is doing?
如果你用收音机检测无线电波，你可以知道无线电波在那，因为收音机在干什么？
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