( ),an even closer approximation of the Earth, has an irregular surface, which is affected by irregularities in the density of the Earth's crust and mantle.
A、The geoid
B、Mean sea level
C、Spheroid
D、Datum
发布时间:2025-02-28 03:10:54
A、The geoid
B、Mean sea level
C、Spheroid
D、Datum