CoordCovert

代码说明：

  一个坐标系转换的类，参考系：WGS-84椭球体参数；功能：笛卡尔坐标系、大地坐标系、站心地平坐标系（线坐标形式）、站心地平坐标系（极坐标形式）之间的互相转换。(A coordinate transformation class reference system: WGS-84 ellipsoid parameters Function: Cartesian coordinates, geodetic coordinate system, Station Local coordinate system (line coordinates), Station Local coordinate system (polar form) of conversion between each other.)