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