WGS84坐标转火星坐标(iOS篇):http://blog.csdn.net/terrytan18/article/details/7611267
校正IOS的PGS坐标方法:http://blog.csdn.net/terrytan18/article/details/7614454
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C#平面坐标与经纬度转换
http://blog.csdn.net/zzuqqiu/article/details/6112808
火星坐标转换为GPS坐标 && C#下的GPS座标纠偏方法(也叫火星座标)
http://www.cnblogs.com/nolan022/articles/2601502.html
WGS84与BJ54坐标系转换参数的计算
http://blog.163.com/duoyu_001/blog/static/14683197200722873612373/