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 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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