Information system analysis and design is the most important stage in information system development, during which a large number of graphical models need to be constructed.
信息系统分析与设计是信息系统开发中最重要的阶段，需要建立大量的图形模型。
Chapter 3: This chapter combined the spatial analysis models of GIS, which based on component technology, with the design and development of "consultation information system for tourism of Beijing".
第3章：将基于组件技术的GIS空间模型分析，与“北京旅游咨询信息系统”的研发相结合。
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