air-ground control radio station
commercial radio station
permanent radio station
Radio Navigation Satellite Service RNSS
radio navigation system
radio navigation transmitter
Radio Station
无线电台
无线电台站
广播电台
导航无线电台
空军无线电台
机载无线电台
通信电台
机上无线电台
机场管制无线电台
地面无线电导航站
指挥飞机的地面电台
电台
Seismic communication radio station erectting
navigation station location survey
the airport navigation station building
supplementary land station
Bare land and grass land
changes in land use and land cover
conversion of arable land to forest land
converting farm land to forest and grass land