The intensity of auroral electrojet in summer is greater than that in winter around AZS.

南中山站夏季电集流强度大于冬季电集流。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造硬度和密度下降，钻刚玉侵蚀后造硬度下降，但是密度却有所上升。