经纬度转换54坐标和80坐标,中央子午线111,3度带

经纬度转换54坐标和80坐标,中央子午线111,3度带
经纬度转换54坐标和80坐标
1,39:48:29.47097N,110:03:57.05204E
2,39:44:50.76475N,109:55:30.75307E
3,39:50:16.64751N,109:49:19.81044E
4,39:41:15.97597N,109:55:50.67601E
5,39:49:14.27119N,109:54:19.37728E
6,39:47:30.12512N,109:52:51.12556E
7,39:47:19.96059N,109:48:03.54728E
中央子午线111
3度带
是不是转换坐标必须的有已知点,转换的坐标数据时比较精确的?