GIS与WWW技术的结合促进了分布式地理信息资源共享。
The combination of GIS and WWW technologies has made distributed geographical information sharing possible.
论文对分布式地理信息进行分析，提出了地理空间信息的数据模型。
Distributed geographic information is analyzed and data model of geographic spatial information is proposed.
在地理信息系统领域，由于空间数据的特点，分布式地理信息系统的理论和实践还有待完善。
However, the theory and the practice of distributed GIS need further improvement in virtue of problems brought by the spatial data.
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