实用的大地坐标转换中间件，可以进行大地坐标与经纬度、UTM与高斯坐标系的互相转换，支持多种分带方法和换带处理。-practical geodetic coordinates middleware conversion can be carried out with the longitude and latitude coordinates of the earth, UTM coordinates with the Gaussian mutual conversion, support for multiple-banding method and exchange with handling.