Data are the base of GIS. Building a database is the key and the important process of designing GIS.

数据是地理信息系统的基础，数据库的建设是地理信息系统建设的关键，也是最重要的一步。

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Technologically, studies the building of GIS-database, the realizing of the application models, the integrating of application models with GIS, the designing and realizing of user's interface.

从技术方法上研究解决数据库的建立、应用模型的实现、应用模型与GIS环境的集成、用户界面的设计与实现等问题。

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This paper expounds the technical method, designing thought, system component for building the database system and the application of GIS in this system.

本文就建立这一数据库系统的技术方法、设计思路、系统组成和GIS的应用等方面进行了阐述。

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