buffer area analysis 缓冲区分析
Considering most GIS buffer analysis is data intensive computing, the task was decomposed according to the map layer and geographic spatial area.
考虑到大多数地理信息系统中缓冲区分析数据的特点，提出了基于图层和地理空间区域的任务分解方法。
In normal application of a GIS buffer zone analysis, we always need to pick an object in that specific spatial area.
在一般GIS环域分析的应用中，成果在于如何利用环域成果进行空间上的选取操作。
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