hypsography

名词 hypsography:

1. the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level)
2. measurement of the elevation of land above sea level
   同义词：hypsometry

hyp.sog.ra.phy

n.（名词）
【复数】 hyp.sog.ra.phies

The scientific study of the earth`s topologic configuration above sea level, especially the measurement and mapping of land elevations.
测高学：关于地球上高于海平面的地貌的科学研究，尤其是关于陆地海拔的测量与绘图
A representation or description of the earth`s topologic features above sea level, as on a map.
地形起伏图：在地图上的高于海平面的地志的表现和描述
Hypsometry.
测高术

【引伸】
hyp.sograph.ic