可以根据不同的椭球参数进行空间坐标系向大地坐标系的转换-Can be based on different parameters of the ellipsoid to the earth coordinate system of space coordinates conversion

用于道路与铁路工程中对导线,中基平,计算平差及WGS84,BeiJin54,及大地坐标系之间进行转换的工具.-For road and railway projects in the wire, in Kipping, calculation and adjustment of WGS84, BeiJin54, and between the earth coordinate system conversion tool.

地球坐标系ecef坐标与地理坐标系(bj54/wgs84)转换。-Ecef coordinate system and geographic coordinates (bj54/wgs84) conversion.