... radio-blackoutperiod无线电中断时间 radio-broadcastingchannel无线电广播通道 radiobroadcastingequipment无线电广播设备 ...
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radio-broadcasting channel
... radio-broadcasting amplifier 无线电广播放大器 radio-broadcasting channel 无线电广播通道 radio-carrier frequency 无线电载波频率 ...
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