为了获得这一垂直偏差，很有必要确定当地平均海面和全球大地水准面上的重力位值。
In order to evaluate the vertical offset, it is essential to know the geopotential of the mean sea level and of the geoid as well.
为了获得这一垂直偏差，很有必要确定当地平均海面和全球大地水准面上的重力位值。
In order to evaluate the vertical offset, it is essential to know the geopotential of the mean sea level and of the geoid as well.
应用推荐