n.測高學(xué)

There are good ecological environment and view around, the high hypsography make the ventilation and drainage well. 周邊有著良好的生態(tài)環(huán)境，景觀極佳，地勢較高，通風(fēng)與排水條件較好。

And the soil loss of the grading terrace is more serious than the paddy field, with lower hypsography. 地勢較高的緩坡梯田比地勢低的水稻田侵蝕嚴(yán)重。

In mountain, desert and Gobi areas, the hypsography is serious and static correction is an ill-posed prob1em. 摘要在山地、沙漠和戈壁等地區(qū)，地形起伏嚴(yán)重、風(fēng)化層變化劇烈，靜校正問題非常嚴(yán)重。