The models solve the problems of computer compressing store and analysis and processing for map elements, with relationship and coexistence of geo graphics database and geo attribute data files.
该模型以地学图形数据库与属形数据文件关联共存的方式，解决了地图要素的计算机压缩存贮与分析处理问题。
In the database design, the farming GIS display of data management, analysis and result is integrated when farming spatial-data, attribute-data and expert system are introduced.
在数据库的设计中，把农田空间数据、属性数据、分析模型和专家系统有机地结合在一起，使数据的管理、分析和结果的显示一体化。
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