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spatial data index 空间数据索引
Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分，可分为空间数据和表格数据。
Spatial data quality estimated by band model of error entropy is discussed in the article,and area is selected to be the measure index In the last the rationality is verified. 讨论了利用误差熵不确定带评价空间数据质量,并选择面积作为指标计算量,最后用实例说明了该方法的合理性和科学性。
The system can accomplish figure data management, attribute data management and spatial data analysis. 该系统是一个集图形数据管理、属性数据管理和空间数据分析为一体的管理信息系统。
A GIS is often used to store, retrieve, and render this Earth-relative spatial data. GIS系统通常用于存储，查询，及绘制空间信息。
Spatio-temporal DBMS (database management system) is a DBMS which can handle the temporal data and the spatial data. 时空数据库管理系统(Spatio-Temporal DBMS)是能够同时处理时态数据和空间数据的数据库管理系统。
The abstract data model(ADT) of spatial data,vector and raster,is defined firstly based on basic types. 首先基于基本类型派生定义矢量和栅格抽象数据类型,在此基础上定义时空数据类型为一系列空间类型的时间片序列。
An organization approach of massive terrain dataset based rectangular bintree and non-pointer data index is put forward for organization and management of massive terrain dataset. 摘要针对海量地形数据组织与管理，提出了一种矩形二叉树模型和无指针数据索引相结合的地形数据组织方法。
Abstract：Spatial data quality is the basis of cadastral data's updating, query and analysis. 摘要：地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
GIS software has strong treatment ability of spatial data and the attribute data. 摘要GIS具有强大的空间数据和属性数据的处理能力。
The GML-based spatial data exchange model and SVG-based information visual model are proposed. 提出了基于GML空间数据交换和基于SVG的信息可视化模型。
In Macao, a spatial data set is maintained by DSCC for the desktop application of GIS and web-GIS. 在澳门，DSCC 为GIS 和网GIS的桌面应用程序保持空间数据集合。
A hybrid 3D spatial data model based on multi-DEMs and quasi tri-prism volume(QTPV) is proposed. 提出一种基于多层DEM与似三棱柱体元(QTPV)的混合三维数据模型。
Discusses reseaches about representation of spatial data in the tactical information fusion system. 讨论了战术信息融合系统中空间数据的表示方法。
The main contend in this paper is as followed:1. Studying software and hardware in realizing this system and all kinds of performance data index, Using USB2.0 protocol CMOS chip to realize transmitting in time in high-speed data stream. 1;介绍了实现该系统所需的软硬件配置以及各性能数据指标;采用USB2.;0协议芯片实现高速数据流的实时传输。
The amount of spatial data is huge, resulting in the variety and greatness of GML. 空间数据是极其庞大的，因而导致GML数据类型繁多，数量巨大。
After the origin is briefed, the indivisibility between the spatial data uncertainties and SDMKD is discussed. 空间数据挖掘和知识发现与数字、空间的数值、数据、概念、信息、知识、粒度和尺度密切相关，与数据挖掘、机器学习、人工智能、模式识别、推理方法、地学数据分析、空间数据仓库、数字地球等相关学科既有区别又有联系。
Spatial data quality is the basis of cadastral data's updating, query and analysis. 地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
Framework for representation of spatial data in Web[J].Acta Geodaetica et Cartographic Sinica,2001,30(3): 276-280. Web环境下实现空间数据表达的框架研究[J].;测绘学报;2001;30(3): 276-280
The management of the magnanimous spatial data needs the distributed cooperative GIS platform. 摘要海量空间信息的处理需要分布式协同工作的GIS平台支持。