大地纬度
- 网络latitude;Geodetic Latitude
大地纬度-
在分析大地坐标与地心直角坐标几何关系的基础上，建立了地心直角坐标与大地纬度正切的4次方程，由此方程可直接解算大地纬度。
On the basis of the analysis of the geometric relation between the geodetic and geocentric coordinates , a tangent quartic equation of geodetic latitude is established and thus the geodetic latitude can be solved directly .
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大地纬度的解算是从地心直角坐标到大地坐标变换的关键，通常都用采用迭代法实现。
The computing of latitude is the key of geodetic coordinate transformation from geocentric coordinate which conventionally uses iterative methods .