似大地水准面
quasi geoid
Regional Quasi-geoid
quasi—geoid
Quasi-geodetic level surface
Quasi-geoid with Centimeter Level Accuracy
quasigeoid level
point method for initial data checking compatibili
Qusia-geoid
Quasi-geodic Surface
Quasi-geoid
Quasigeoid
水准面精化
geoid refinement
improving the precision of geoid