For cartographical purposes heights are necessarily recorded above the geoid ( sea - level ).
就制图的目的来说,所以需记录的高程是高出大地水准面 ( 海平面 ) 的高程.
辞典例句
The actual equipotential surface of the earth that corresponds to sea level is called the geoid.
相当海平面的地球实际等位面称为重力平面.
辞典例句
Geiod or quasi - geoid is a height datum for acquiring geospatial information.
大地水准面或似大地水准面是获取地理空间信息的高程基准面.
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The practical application of formulae to the absolute gravimetry and refineding geoid are discussed.
此外,还讨论了如何将它们用于绝对重力测量和精化大地水准面的实际中.
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The quasi - geoid computed by geopotential model is fitted with the quasi - geoid measured by GPS leveling.
将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面.
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