名詞 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
   同義詞：hypsometry

hyp.sog.ra.phy

n.（名詞）
【復數(shù)】 hyp.sog.ra.phies

The scientific study of the earth`s topologic configuration above sea level, especially the measurement and mapping of land elevations.
測高學：關(guān)于地球上高于海平面的地貌的科學研究，尤其是關(guān)于陸地海拔的測量與繪圖
A representation or description of the earth`s topologic features above sea level, as on a map.
地形起伏圖：在地圖上的高于海平面的地志的表現(xiàn)和描述
Hypsometry.
測高術(shù)

【引伸】
hyp.sograph.ic