1. 偏区的意思
1. 本文对从空间缓慢变化电离层反射的回波的多卜勒频移进行了讨论，认为反射面的运动和媒质的运动可以分开，等效镜反射面不一定在偏区。 The idea which shows the height of equivalent reflection mirror is not necessarily in deviation region of waves is also discussed.