所以呢，一条单一的调频波段只有几米长，差不多就一辆车的大小。中波波段比调频波段长几百米呢！
As a result, a single radio wave from an FM station is only a few meters long, about the size of a car. An AM station is putting out radio waves that are hundreds of times as long!
所以呢，一条单一的调频波段只有几米长，差不多就一辆车的大小。中波波段比调频波段长几百米呢！
As a result, a single radio wave from an FM station is only a few meters long, about the size of a car. An AM station is putting out radio waves that are hundreds of times as long!
应用推荐