论文部分内容阅读
4月15日，吉林市无线电监测站接到市政府办公厅电话，称市长会议室扩音机被不明信号干扰，喇叭里出现一种奇怪的噪声，请监测站人员速来处理。我们火速赶到市长会议室，看到在六十多平方米的房间里，中间有一张椭圆形的会议桌，上面摆放了二十多个话筒，墙上挂着两只大音箱，门
April 15, Jilin City Radio Monitoring Station received a call from the city government office, said the mayor conference room amplifier was unknown signal interference, speaker appeared a strange noise, please monitor station speed to deal with. We rushed to the mayor’s meeting room and saw that in the more than 60-square-meter room, there was an oval conference table in the middle with more than twenty microphones and two large loudspeakers hanging on the wall.