And in the spatial Database part, to the characteristic of GIS spatial data, the spatial data adopt the form of the file to store.
在空间数据库部分，针对GIS空间数据的特点，空间数据采用文件的形式进行存储。
Mining spatial association rules can be used to discover the specific spatial relationship between spatial predicate and non-spatial predicate in the spatial database.
空间关联规则挖掘可应用于发现空间数据库中大量空间谓词与非空间谓词之间的特定空间关系。
In order to manage spatial data in your database, the database must be enabled for spatial operations.
为了管理数据库中的空间数据，必须启用数据库的空间操作功能。
Although spatial computations and comparisons are sufficient for many application, it is sometimes also very helpful for humans to visualize the data in your database.
虽然对于很多应用程序来说空间计算和比较已经足够，但是有时候将数据库中的数据可视化还是很有帮助的。
This prepares the database for use by a GIS and for spatial business logic implemented in SQL, including distance-based queries.
这使数据库准备好供GIS使用并支持SQL中实现的空间业务逻辑，包括基于距离的查询。
You select the connection and get a list of all layers (registered spatial columns) in the associated database.
可以选择该连接，然后获得相关数据库中所有层(已注册的空间列)的列表。
In addition, this technology helps the maintenance and management of the system spatial database, and keeps the system space attribute data current.
另外，该技术还有利于系统空间数据库的维护和管理，保持系统空间数据的现时性。
The organization strategy of spatial database in the flood control information system based on the overall system design scheme is submitted in the paper.
基于系统的总体框架，给出防汛指挥信息支持系统中空间数据库的具体组织策略。
Pavement management system was described in detail from the establishment of database, attribute database, spatial database, evaluation model of pavement performance and so on.
从数据库构建、属性数据库和空间数据库、路面使用性能评价模型等方面比较详细地介绍了路面管理系统。
And has established a union road ecology landscape attribute data and the spatial data road landscape video frequency database management system in this foundation.
并在此基础上建立了一个结合公路生态景观属性数据和空间数据的公路景观视频数据库管理系统。
There are data obtaining and updating system, Database system, network system, industry spatial data engineering system and data standard system in the engineering collectivity.
工程总体包括数据获得和更新体系、数据库体系、网络体系、行业空间数据工程体系和数据标准体系等。
The basic spatial database is the core of the digital City, and the quality of spatial data is the key factor in database construction.
基础空间数据库是数字城市的核心，而数据质量的高低又是数据库建设成功与否的关键。
Distance join is widely used in spatial database. Selectivity estimation for distance join is the basis of optimizing the query of the distance.
距离连接在空间数据库中有着广泛的应用，而距离连接的选择度估计是优化距离查询的基础。
Redacted the national mire wetland remote sensing interpret data of the different age, pick-ups and creates national mire spatial database with accurate coordinates in the 90's.
整编不同年代的全国沼泽湿地遥感解译数据，提取并建立坐标准确的90年代末全国沼泽湿地空间数据库。
Query operation in spatial database require some special support at the physical level as well as in conventional database.
空间数据库与传统数据库一样，在其物理层上要求有一些专门结构来支持搜索操作。
By using 1986 and 2000 remote sensing data as basic information resource and with support of GIS, the spatial information database of western Songnen plain wetland is established in this paper.
以1986年和2000年遥感影像作为信息源，在GIS技术的支持下建立了松嫩平原西部湿地空间信息数据库。
In this paper, we analyze the process of building digital city's basic spatial database first, then we introduce some quality control methods in this process.
本文在简要分析数字城市基础空间数据库构建过程的前提下，详细论述了数字城市基础空间数据建库中需进行的质量控制内容及方法。
The spatial database of the urban resources and environment information system was established in the central area of Guiyang city.
以贵阳市中心城区为试验区，建立城市资源环境信息系统空间数据库。
The system structure distributed in spatial database is always the focus of theoretical research and the problem that projects must face.
空间数据库的分布式体系结构一直是理论研究的热点和工程实践必须面对的问题。
It is necessary to unify the working method, procedure and assistant software in constructing national wide spatial database.
在全国空间数据库建设工作中，实行统一的工作方法、工作程序和建库辅助软件，可实现高效率、高质量的效果。
In the database design, the farming GIS display of data management, analysis and result is integrated when farming spatial-data, attribute-data and expert system are introduced.
在数据库的设计中，把农田空间数据、属性数据、分析模型和专家系统有机地结合在一起，使数据的管理、分析和结果的显示一体化。
The near neighbor pair query of the datasets in the network has important application in geographical information systems, query in the network and spatial database.
网络环境下的数据集中的近邻对查询在地理信息系统、网络查询和空间数据库等领域有着重要的应用。
One of the most important algorithms in spatial database is reverse nearest neighbor query.
反向最近邻查询是空间数据库中最重要的算法之一。
It is important query type in the spatial network database.
它是空间网络数据库中的一种重要查询类型。
The multi-scale representations (multi-representations) for geographical entities is one of research focuses in the field of multi-scale spatial database.
对地理要素的多尺度表达（多重表达）是当前多尺度空间数据库领域的研究热点之一。
This paper discusses the purpose, index, engine, technical essentials, regeneration of database and management in safety related to spatial database construction in details.
文章详细论述了空间数据库的建设目标、技术指数、空间数据库引擎以及数据库建设的技术要点、数据库的更新、安全管理等，并进行了讨论。
The nearest neighbor query on the spherical surface has great significance in the nearest neighbor query of the spatial database.
球面上的最近邻查询在空间数据库最近邻查询领域具有重要的意义。
The realization of infinite scale mainly depend on spatial database, so the building approach of infinite scale based spatial database is referred in this paper.
无级比例尺功能的实现，主要是依靠空间数据库功能来完成，所以本文提出一个面向无级比例尺空间数据库的建立方法。
The condition testing of active rules in spatial database is a key element to the efficiency of rules execution.
空间数据库的主动规则条件测试对于规则的执行效率至关重要。
Spatial join is one of the most complex and time-consuming operations in spatial database systems.
空间连接运算是空间数据库中的一种基本操作，但它也是最复杂、最耗时的操作之一。
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