geoid

geoid的英语例句

1. 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.

2. The actual equipotential surface of the earth that corresponds to sea level is called the geoid.

   相当海平面的地球实际等位面称为重力平面.

3. For cartographical purposes heights are necessarily recorded above the geoid ( sea - level ).

   就制图的目的来说,所以需记录的高程是高出大地水准面 ( 海平面 ) 的高程.