As was explained before, the DB2 optimizer is not fully aware of all the details of the spatial grid index.
前面我们解释过，DB 2优化器不完全知道空间网格索引的细节。
To check if a spatial grid index is actually exploited during query time, you should have a look at the access plan.
为检查在查询时是否真正使用了一个空间网格索引，应该查看一下访问计划。
If all conditions are met, including the simple syntax rule, it is still not ensured that a spatial grid index is used to satisfy the query.
如果所有条件都符合，同时也符合简单的语法规则，那么还不能保证可以使用空间网格索引来满足查询。
Suqian City Gymnasium is a reinforced concrete spatial frame structure with a steel spatial grid roof located in a region of high earthquake intensity.
宿迁市文体综合馆位于地震高烈度区，钢筋混凝土空间框架结构、钢网壳屋盖。
Finally, this paper gives an example of damage cumulation analysis for spatial grid structures subjected to earthquakes together with the implementation steps of this method.
最后，以空间网架结构在地震作用下的损伤累积分析为例，给出了本文方法的具体实施步骤。
The effect of discrete degree of node location imperfection on the critical load of spatial grid structure was studied through the parameter analysis of deviation discrete degree.
通过关于偏差离散度的参数分析方法，研究节点位置缺陷变离散度对空间网格结构临界荷载的影响规律。
Raster data is non-geometric data defined by a grid of values covering a spatial area.
光栅数据是由覆盖空间区域的网格值所定义的非几何数据。
Each screen offers a large grid that maintains spatial arrangement in all orientations.
每个屏幕都提供了用于屏幕空间管理的网格。
Now that the spatial table is populated, it is time to add a spatial index to support spatial queries; in DB2 that is a grid index.
既然已经填充了空间表，就应该添加空间索引来支持空间查询了；在DB 2中这是一个网格索引。
The research involved training subjects in a spatial memory task to learn an object's location in a grid.
在研究过程中，被测试人员参加了空间记忆的训练项目——他们被要求记住物体在网格上的位置。
If you are familiar with spatial data and the grid index, the results are pretty much self-explanatory.
如果您熟悉空间数据和网格索引，那么结果就无需解释了。
Grid transformation of population data is the focus of population spatial distribution.
人口数据格网化是目前人口空间分布研究的热点。
Based on Z curve, the paper presents a method of grid partition, a procedure of partitioning search region, and a high-dimensional spatial range query algorithm.
利用Z曲线聚类和降维特性，本文给出网格划分方法、搜索区域分解过程，提出一种高维空间范围查询算法。
A collaborative spatial data production model in grid environment is proposed, especially the quality controlling policies are analyzed, and all above is validated in the system prototype.
提出了网格环境下的空间数据协作生产模型，分析了其质量控制策略，通过系统原型对本文思想进行了验证。
Recent studies on grid cells' function have brought a new vision for understanding the mechanism of spatial memory.
近年来网格细胞的发现及其功能研究，为深入阐释空间记忆的神经机制开辟了新的视角。
In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.
这种方法基于任意几何形状网格的抽样定理，利用六边形网格来实现空间离散化。
Spatial data managing grid can integrate all distributed data into a super-large, virtual spatial DB, it can realize to manage magnanimity spatial data of the whole country or global.
空间数据管理网格将物理分布的空间数据在逻辑上组成一个超大虚拟的空间数据库，实现全国乃至全球的海量空间数据的管理。
This paper discusses and analyzes concepts of grid, spatial information grid, mesh on the map and so on.
文中论述和分析了网格、空间信息网格和地图上的格网等概念。
Through the analyses of the grid index and the spatial object index, a structure of the spatial object boundary index based on wide grids is put forward.
在充分分析格网索引和空间对象范围索引的基础上，提出一种基于粗分格网的空间对象范围索引结构。
Spatial information analysis: to change from vector format to grid format, buffering section analysis, spatial data overlap analysis, net analysis, etc.
空间信息分析：包括矢量转栅格、缓冲区分析、空间数据的复合分析、网络分析等。
The introducing data grid technology and constructing the spatial data grid may improve spatial data sharing and the application environment.
引入数据网格技术构建空间数据网格，可以改善空间数据共享与应用的环境。
Spatial information grid generates large amounts of data needed to be able to share it with user around the world.
空间信息网格项目数据量大，用户遍及各地，对数据文件的请求延时大、占大量带宽。
The metadata catalog and data broker of Spatial Data Grid integrate the metadata catalog of grid to offer an uniform logical view for the client, Thus realize the cooperation of catalog server.
空间数据网格通过元数据目录和数据代理，将网格环境下的目录服务器的元数据目录集成到一起，为客户端提供空间数据的统一的逻辑视图，实现目录服务器的协同；
Spatial data grid is a technology system which aims at spatial data sharing and cooperating and integrates spatial data into a single image of spatial data grid in the grid environment.
空间数据网格是网格环境下面向空间数据共享与协同，构造一体化空间数据网格映象的技术体系。
This paper proposes a solving method of grid granularity in spatial data clustering.
提出一种空间数据聚类中的网格粒度求解方法。
The paper firstly discusses on the basic concept of grid, specially analyses the spatial information grid, and briefly describes the composition, structures and applied method.
主要论述了格网的基本概念，着重对空间信息格网进行了分析和阐述，初步描述了空间信息格网的组成、结构体系和应用方法。
Taking engineering as unit, united spatial base being supplied, vector-grid basic spatial data was managed wholly.
以工程为单位，在统一空间基底的前提下，对矢量栅格基础空间数据进行一体化管理。
This paper discusses a new spatial structure-composite grid slab column structure, which is designed to transform single way force into two-way force to form a spatial forcing system.
现讨论一种新型空间结构—组合式网格板柱结构，它使单向受力变为双向受力，从而形成三维受力体系。
Deformed grid, Scale extension, and Reflection images are the three factors that create the spatial experience.
变形的网格、比例扩大、反射图像正是创造空间体验的三个主要元素。
Deformed grid, Scale extension, and Reflection images are the three factors that create the spatial experience.
变形的网格、比例扩大、反射图像正是创造空间体验的三个主要元素。
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