So, basing on the research of CORBA model and distributed spatial database, integrating computer supported cooperative work (CSCW), the paper adopts four tiers architectural structure to construct the distributed GIS.
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- 本文在深入研究CORBA规范和计算机支持协同工作(CSCW)的基础上,采用四层的体系结构构建分布式GIS。