A graphic database based on GIS for oil and gas resources assessment is introduced in this paper.
介绍了适用于油气资源评价的基于GIS的图形数据库。
A practical stand-alone geometric moulding system necessitates a graphic database as its pictorial information storing and management kernel.
一个实用的、完整的几何造型系统必须有一个精心设计的图形数据库作为图形信息的存贮和管理中心。
A station topology analysis method based on adjacent matrix is presented and the graphic database integrative technology is adopted to realize it.
提出一种基于邻接矩阵的厂站拓扑分析方法，并介绍了采用图形数据库一体化技术实现该方法的具体步骤。
什么是图数据库？
什么是图数据库？
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