单词geoidal
网络: 大地水准面高
In general the accuracy of geoidal heights, as given by spirit leveling, much exceeds that of any other system.
一般说来，水准测量测出的大地水准面高程的精度，远远超过任何其它方法的精度。
The Origin Vertical Shift of National Height Datum 1985 with respect to the Geoidal Surface
1985国家高程基准相对于大地水准面的垂直偏差