大地水准面精化
precise determination of geoid
geoid precision processing
geodetic leveling
geoid refinement
geoid with high precision
精化大地水准面
precise determination of geoid
precisely determined geoid
似大地水准面精化
quasi geoid determination
quasi-geoid refinement
quasi-geoid refine
local quasi geoid purification
Quasi-geoid
level surface refinement
Quasi geoid Refinement
quasi-geoid determining
1°×1°厘米级全球大地水准面
1°×1° global geoid with centimeter-level