The GIS software is mainly applied to the department of Geography Information system. Its coordinate system is closely related with map projection.
地理信息系统软件主要应用于地理信息系统部门，所用到的坐标系与地图投影密切相关。
The transformation of map projection is the base for mapping theory and an important component of GIS.
地图投影变换是地图制图理论的基础，也是GIS的重要组成部分。
A common statement that I hear in GIS is the following "My map doesn't have a projection", but this is simply not possible (unless you have a good old rotating globe).
有种说法我经常在GIS圈子里听到：“我的地图没有投影”，但实际上这决不可能(除非你的地图是一个可以转动的地球仪)。
Map projection transformation of vector data is becoming mature presently, but research and application of raster data projection transformation in GIS needs further efforts.
当前GIS中矢量数据的投影变换已日趋成熟，而栅格数据的投影变换的研究与应用还需要进一步的深入。
As an important part of GIS platform, spatial reference system includes coordinate transformation and map projection, also named as map projection transformation system.
GIS中的空间参照系统是GIS平台中的重要组成部分，内容包括各种坐标系统的转换和地图投影，故也称为投影变换系统。
As an important part of GIS platform, spatial reference system includes coordinate transformation and map projection, also named as map projection transformation system.
GIS中的空间参照系统是GIS平台中的重要组成部分，内容包括各种坐标系统的转换和地图投影，故也称为投影变换系统。
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