The COM technique of increasingly mature, module type the GIS become the GIS software the one of the trends that devel-op, originally of type GIS the system and quickly resolve for the GIS module that basic now.

• 随着COM技术的日益成熟,组件式GIS成为GIS软件发展的趋势之一,原来的巨型GIS系统现在正迅速分解为基本的GIS组件。