Recently, some GIS company begin to think much for development of space analyzing module, but lack the function of fractal analysis.
近年来一些GIS公司开始重视空间分析模块的开发，但还缺少空间分形分析这一功能。
Thematic data editing module is an essential function of the applied GIS.
专题数据编辑模块是应用型GIS系统的必备功能。
However, current commercial GIS software are short of special spatial point pattern analysis module which limit the use of point pattern analysis.
然而现有的主流商业GIS软件包，缺乏专门的空间点模式分析的模块，限制了点模式方法的使用。
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