三维张量在不同坐标系统的变换，可用于各向异性介质的介电张量的旋转等问题-3D tensor in different coordinate systems transformation can be used in the dielectric anisotropy tensor rotation problems

大地测量计算程序，可以计算由WGS84坐标系转换为空间直角坐标系以及其它坐标系下的大地坐标系及高斯投影坐标系。经过软件验证，程序无误-Geodetic computer program can calculate the WGS84 coordinates into rectangular coordinates and other spatial coordinate system of the earth coordinate system and the Gauss projection

变换椭球体参数中，七参数，及四参数坐标变换算法。-Transform ellipsoid parameters, seven parameters, and four-parameter coordinate transformation algorithm.

七参数法坐标转换，实现不同空间坐标系的相互转换-coordinate transform