空间数据库
例句与用法
- Spatial index is a indispensable part of spatial database , and can dramatically improve efficiency when doing a spatial query
空间索引作为空间数据库中的重要组成部分,可以加快对空间对象的检索。 - We introduce the composing of spatial knowledge library , and the method for obtaining the topological relations from spatial database
介绍了空间知识库的构成,以及从gis空间数据库中获取拓扑关系的方法。 - The research content in this paper is some key techniques on spatial database in gis
论文的研究涉及地理信息系统中的空间数据库关键技术,研究的主要思路着眼于利用现有的关系对象数据库技术处理三维空间对象。 - In this paper , we focus our research on spatial data model and visualization techniques on the basis of spatial database in 3d gis
本文以空间数据库为基础,主要研究三维gis中的空间数据模型和三维可视化技术。 - It studies on the spatial data structure of geography information and analyzes the characteristics and application of spatial databases
研究了地理信息的空间数据结构,并对空间数据库的特点和应用做了详细的分析。 - The spatial databank was built through gis , which was used in mineral prediction . the fuzzy logic overlay analysis module was improved
利用gis技术建立了该区用于成矿预测的空间数据库,改进了模糊逻辑叠加方法。 - The design and implementation of a high - level security system have an important significance for the practical application of the spatial database
设计并实现高级别的安全子系统,对于空间数据库实际应用具有重要的意义。 - With the development and prevalence of gis , the spatial database has become a very active research field in the area of computer science
随着gis应用的发展和普及,空间数据库已成为当前计算机科学一个十分活跃的研究领域。 - We research the theory of oracle spatial database , introduce storage of spatial data , mechanism of index and spatial analyze in oracle
深入研究了oracle空间数据库理论,对其空间数据的存储、索引机制和空间分析作了介绍。 - The spatial database can process the henter spatial data , which bring forward a new challenge for the access control of the of the database system
空间数据库能够处理异构的空间数据,同时也给数据库系统的存取控制带来了新的问题。