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我们在不增加设备的情况下,只作局部设计和改动,就可用卫星终端15路广播解调机解调出排在第30路的民族语节目,取得了较好的社会效益和经济效益。
Without increasing the equipment, we can only use the satellite terminal 15-channel broadcast demodulator to demodulate the national language programs listed on the 30th line, and achieve good social and economic benefits.