The invention further relates to a radio transmitter of the same kind.
本发明还涉及相同种类的无线电发射机。
A radio transmitter that emits a characteristic guidance signal for aircraft.
一种向飞机发送特殊导航信号的无线电传送装置。
A zone within the range of a radio transmitter where little or no radio signal can be received.
在收音机转播范围内,不能或只能收到一点无线电信号的地区。
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