虽然拥有稳定的大量自由电子的电离层可以帮助人们在某个大学广播电台的播送范围边缘收听这个电台，但这或许不是美国空军的兴趣所在。
Although the stable ionizing layer with a large number of free electrons may help people listen to the radio at the edge of a university radio station, but this may not be the interest of the US Air Force.