In the terminology of the Spatial Extender, this is the Spatial Reference system (SRS), a combination of an earth-based coordinate system and a set of numeric conversion parameters.
在Spatial extender术语中，这是Spatial Reference System (SRS)，它组合了基于地球的坐标系和一组数字转换参数。
The UTM coordinate system is a grid-based method for specifying coordinates.
UTM 坐标系统使用基于网格的方法表示坐标。
For example, calling translate within the context of another translate means that the second translate is based on the coordinate system of the first translate, not the original.
例如，在另一个translate环境中调用translate意味着第二个translate是基于第一个translate的坐标系统，而非原有坐标系统。
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