详细地论述了基于邻接表图形数据结构的进路搜索算法，并给出了完整的描述。
Finally, a particular description of a route searching algorithm is given based on graph data structure of an adjacency list.
该方法引入了建立和管理参数化模型的策略，通过扩展一般的图形数据结构统一表示几何约束。
A new strategy of constructing and managing the parametric model is used in used in this method. It extends usual graphics data structure to describe geometric constraint.
通过两种数据结构之间的联系，实现了地学图形数据和属性数据之间的互访和操作。
Also, the system realizes mutual visits and operations between geo graphics data and attribute ones by the relationship between the two mathematics structures.
介绍了二维图形数据的线性四叉树编码数据结构。
The data structure of linear quadtree coding for two-dimension graphic data is presented.
介绍了地学图形数据的四叉树编码数据结构。
This paper presents the data structure of quadtree coding for geo graphics data.
介绍了地学图形数据的四叉树编码数据结构。
This paper presents the data structure of quadtree coding for geo graphics data.
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