hypsography

n.测高学

There are good ecological environment and view around, the high hypsography make the ventilation and drainage well. 周边有着良好的生态环境，景观极佳，地势较高，通风与排水条件较好。

And the soil loss of the grading terrace is more serious than the paddy field, with lower hypsography. 地势较高的缓坡梯田比地势低的水稻田侵蚀严重。

In mountain, desert and Gobi areas, the hypsography is serious and static correction is an ill-posed prob1em. 摘要在山地、沙漠和戈壁等地区，地形起伏严重、风化层变化剧烈，静校正问题非常严重。