使用白塞尔方法进行大地主题解算，正算由大地线和大地方位角计算经纬度，反算有经纬度计算大地线长度和大地方位角(Using the white Searl method to solve the geodetic problem, we calculate the longitude and latitude by the geodesic and the earth azimuth, and calculate the geodesic length and the large local angle by calculating the longitude and latitude)