spatial database的例句大全

The evaluation section of the spatial database consisted of the overlayed patches the current land use map and the basic farmland protection map and the soil map.

耕地地力评价单元通过叠加土地利用现状图、基本农田保护区规划图和土壤图所形成的图斑组成。

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DEM ( Digital Elevation Model) has become one of the core data of geographical spatial database in many countries and regions, the currentness of DEM is an important measure to evaluate the using value of it.

DEM已成为各个国家和地区地理空间数据库中核心数据之一，现势性是衡量其应用价值的重要指标。

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The Establishment of Spatial and Attribute Database of Beijing Institute of Civil Engineering and Architecture

北京建工学院空间与属性数据库的建立

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K nearest neighbor ( kNN) query is one of the fundamental issues in spatial database research area.

k最近邻居问题（kNN）是空间数据库研究领域最基本的问题之一，是指在特定空间中寻找离查询点最近的k个目标点，包括几何空间，道路空间等。

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By analyzing the information of road traffic accidents, and adopting the new mode of management, an integrated management is realized using spatial database technology including temporal and spatial information with factors causing the traffic accidents such as persons, vehicles, roads and traffic environment.

笔者在分析道路交通事故信息的基础上，采用全新的管理模式，利用空间数据库技术实现交通事故的空间、时间信息以及造成交通事故的人、车、路和环境等因素的一体化管理；

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Currently, the spatial and temporal database application development process, researchers have found that spatial data is increasing with increasing data structures are complex, expensive operation, so the spatial query is bound to the difficulties and the breakthrough point of the spatio-temporal database applications.

目前，在时空数据库的实际应用开发过程中，研究者们发现空间数据量日益具增，数据结构复杂，操作代价昂贵，因此空间查询势必成为时空数据库应用的难点和突破点。

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We classify the forest landscape resources classification as nine categories of acoustic landscape forest by GIS information database base on the forest structure and spatial pattern classification, 2.

利用GIS信息库根据森林结构及空间格局分类，将森林声音景观资源分类为九类森林声景观。

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The spatial database integration based on grid has been a hot spot in geographic information area in recent years, and its development are associated with the development of grid, database and database integrated middleware technology.

作为地理信息系统的一个研究热点，网格下的空间数据库集成的研究进展与网格技术、数据库技术、集成中间件技术的发展是紧密相关的。

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In order to meet the needs, spatial database and attribute database of expansive rock and soil information system was analyzed and established, and databases were preliminarily optimized and linked.

根据需求分析建立了膨胀岩土信息系统的空间数据库和属性数据库，并对数据库进行初步的优化和链接。

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We use place name as the primary key word to build the relationships between the spatial database and attribute database or each attribute tables.

并将各地地名作为主关键字，以实现空间库与属性库以及各属性库之间的关联。

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Establishment and application of spatial database for karst cave in Guizhou

贵州喀斯特洞穴空间数据库建立与应用

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The data dealing process involves many functions of GIS, such as data conversion, edit function, spatial analysis, database operating, and statistic function.

而数据处理过程则涉及GIS系统的数据转换功能、编辑功能、空间分析功能、数据库操作功能、空间统计分析功能以及图形显示功能等。

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Study on the Feasibility of Spatial Database Building Using Vector Relief Map Data& The spatial database building in Nanjing planning bureau

矢量地形图数据建库的可行性办法研究&以南京市规划局建库为例

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Research and Development of Spatial Direction Knowledge Database and Reasoning Component

空间方位知识库与推理组件的研究与开发

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As a new object-relational database management system, oracle 8i combines the spatial data and attribute data effectively and provides R-Tree index and QuadTree index which ensure the rapidness and veracity of the spatial query.

Oracle8i是一种新型的对象关系型数据库管理系统，它实现了空间数据和属性数据的有效结合，同时提供参考树和四叉树两种空间索引方式，保证了空间查询的快速性和准确性。

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This paper concentrates on how to track and extract the isogram cluster from the map image so that they can be vectorized and inputted into the spatial database rapidly and automatically.

研究地图中等值线群的快速输入问题，给出了自动跟踪提取等值线群的有效算法。

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A fully-new concept, i.e. building GIS spatial database with Arc Scan that is a scanning vectorized module of ARC/ INF-O, is put forward and the characteristics and operational procedure of the module are also summarized and analyzed in the paper.

Arc Scan是ARC/INFO的一个扫描矢量化模块，应用Arc Scan为GIS空间数据库建库工作带来了全新的概念。文章总结分析了Arc Scan扫描矢量化软件模块的特点、操作流程。

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