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

南中山站夏强度大于冬。

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

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