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目前,实际用于定向传送电视信号的调频制电视中继,例如,近距离实况转播用的移动式电视中继、远距离微波干线、电视广播卫星等传输电视信号的视频通道中,都广泛采用
At present, the FM television relay actually used for directional transmission of television signals is widely used in video channels for transmitting television signals such as mobile television relays for short-range live broadcasting, long-distance microwave trunks and television broadcasting satellites