按照空间属性聚集这些行的效果取决于在查询时对一个数据子集的访问。
The effects of clustering the rows by their spatial properties rely on accessing just a subset of the data during query time.
因此，下面的查询根据空间数据类型的属性来计算数据的宽度。
Therefore, the following queries calculate the size of the data based on the attributes of the spatial data types.
左上角的框架显示查询，下面的框架显示sVG输出，右上角的框架则显示非空间属性。
We show the queries in the upper left frame, the rendered SVG output in the lower frame, and the non-spatial attributes in the upper right frame.
案例8：在查询中使用名称空间和属性。
针对组件式GIS应用系统中普遍关注的空间、属性信息交互查询功能的实现问题展开研究。
The research focus on the approach for realizing alternant query function between spaces and property in the application developed based on GIS components.
该系统通过空间数据和数据接收属性信息的结合，实现了接收数据情况的直观显示和方便的查询检索。
By integrating the spatial data with the attributive data of received, this system can intuitively display data receiving information and easily query and search data as needed.
该系统初步实现了软岩空间信息的展示及交互操作，软岩属性信息的查询和分析。
It has elementarily realized functions of the release of spatial data for soft rock mining, interactive operation on Internet, query and analysis of soft rock mining attributes.
实现了土地属性数据的动态更新和各种查询，通过GIS技术实现属性数据与空间数据互访。
In order to realize the dynamic renewal and various query of the earth nature data, the technology of GIS is used to realize the exchange visits between the attribute data and space data.
在基于GIS的土壤资源管理信息系统中，最基本的操作是对地图的操作、属性数据的查询和统计以及空间数据的查询。
In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
该系统具有空间数据管理的特性，可实现对象的空间分布和属性的耦合查询、条件查询、专题查询等功能。
With the function of spatial data management, the system can realize coupling inquiry, conditional inquiry and special subject inquiry about spatial data and their attributes of objectives.
通过本系统可进行矿业权属性信息的输入、存贮、查询、检索、浏览显示、输出以及对空间信息的查询分析功能。
This system have much functions, such as input attributes information, store info, inquire info, index info, view info and output spatial formation.
文中解决了空间数据库中属性的汉字显示问题，并且实现了数据的按比例显示和一些简单的空间属性查询等。
Attributes of spatial database show with Chinese characters, it can show the data according to the scale, the system also can do some easy select and so on.
空间信息查询与检索：包括属性查图、图查属性、统计分析、DEM查询等。
Spatial information inquiry and index: which contains inquire map information from attribute information, inquire attribute information from map information, statistical analysis, DEM inquiry, etc.
在空间数据和属性挂接后，实现了三维空间查询和分析。
After joining attribute data to spatial data, the 3d spatial query and analysis has been realized.
系统支持具有不同使用权限的使用者在虚拟环境中实现馆藏资源的管理、检索、查询、分析和应用功能，读者可以方便地进行空间数据和属性数据的双向查询。
Users who have different authorities can manage, retrieval, query, analyse and apply the resources of library in a virtual environment. Readers can easily query spatial position through the...
系统支持具有不同使用权限的使用者在虚拟环境中实现馆藏资源的管理、检索、查询、分析和应用功能，读者可以方便地进行空间数据和属性数据的双向查询。
Users who have different authorities can manage, retrieval, query, analyse and apply the resources of library in a virtual environment. Readers can easily query spatial position through the...
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