太阳有时会干扰无线电电波的传播。
广播电视用大功率天线向周围地区发送无线电电波。
Broadcast stations use a powerful antenna to transmit radio waves to the surrounding area.
无线电导航是利用无线电电波的波速进行导航的方法,根据导航基点可分为陆基导航和空基导航。
Radio navigation makes use of wireless wave, which can be divided into land-based and space-based system according to the position of base point.
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