Introduction - If you have any usage issues, please Google them yourself
GIS in the coordinate system is defined as the basis of GIS systems, GIS systems correctly defined the coordinate system is very important. In the MapInfo map projection for China in many areas the lack of large-scale and medium scale projection method, through MapInfo files in Mapinfow.prj studies to Turpan area as an example, adding a Gauss- Kruger (Gauss-Krüger) Projection can solve some large-scale deformation