This paper discussed the topologic relationship of spacial data and gave an exact description of map graphic elements.
本文讨论了空间数据的拓扑关系，对地图的基本图形元素作了更准确的表述；
It also introduced the principle and method of auto-establishing the topologic relationship, especially the parallel and inclusive area topologic relationship.
详细介绍和讨论了自动生成空间数据拓扑关系的原理和方法，重点研究和探讨了并列和嵌套的面域拓扑关系。
It also introduced the principle and method of auto-establishing the topologic relationship, especially the parallel and inclusive area topologic relationship.
详细介绍和讨论了自动生成空间数据拓扑关系的原理和方法，重点研究和探讨了并列和嵌套的面域拓扑关系。
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