spatial database的例句大全

Emphasis on spatial analysis using geographic information systems and database query tools.

本课程将强调利用区域资料系统和数据库查询工具进行空间分析.

Landslide spatial database mainly includes landslide factor database and landslide spatial distribution database.

滑坡因素空间数据库包括滑坡因子数据库和滑坡分布数据库.

The spatial database system for mineral reserves of Liaoning Province

辽宁省矿产资源空间储量数据库系统建设

Selectivity Estimation is the base of spatial database query optimizer.

选择性估计是设计空间数据库查询优化器的基础.

The system take R-tree as spatial database index structure, integrated the technique of multimedia and built workflow business process model and de-cision support model.

系统以R-树作为空间数据库的索引结构，综合采用多媒体技术，并建立相应的工作流业务过程模型和决策支持模型。

Spatial database is a GIS-faced engineering database which store and manage spatial information.

空间数据库是一种面向地理信息系统的工程数据库,主要负责存储和管理空间信息.

Taking the chart data of format S-57 as the source data, in this paper we utilize the database management system Oracle 9i to build up electronic chart database, and also accomplish quick searching for the SENC data through R-tree spatial index technology.

本文以S&57标准格式的海图数据为数据源，利用Oracle9i数据库管理系统，建立电子海图数据库，并借助R树空间索引技术，实现电子海图数据的快速检索。

This research applied 1:250,000 national geographical database as a major information source and GIS as a basic methodology to investigate the spatial distribution pattern of the rural settlements of Yulin area in North Shaanxi.

本研究以地理信息系统为基本技术手段，以国家1：25万基础地理数据库等数字信息为主要信息源，对陕北榆林地区乡村聚落的空间分布规律与区位特征进行了探讨。

Research of Grid Spatial Database Architecture

网格空间数据库体系结构的探讨

In the system, technical information objects are managed by a spatial database and their properties by a property database. The two databases are linked through the identifier ID.

该系统中用空间数据库管理专业信息对象，用属性数据库管理信息对象的属性数据，两数据库通过识别符ID连接。

National Geodetic Survey Database is an important part of National Spatial Data Infrastructure ( NSDI)-National Spatial Data Infrastructure database.

国家大地测量数据库是国家空间数据基础设施（NSDI）&国家空间数据基础数据库的重要组成部分。

Chapter 5 discusses analysis and application to spatial data and property data of mineral space database and working level database for geological factor in macro approach and micro approach.

第lli章主要是从宏观和微观两个层面的地质因素方面阐述了矿产地和工作程度空间数据和属性数据的分析应用。

Lattice index mechanism in spatial object database system

空间对象数据库的网格索引机制

A geo database is specially designed for spatial data and attribute data, based on which VR models can be generated.

专门设计一个GEO数据库被用于空间数据和属性数据的存储，基于该数据库数据结构，地理信息数据的VR模型可以自动的被创建。

E-R model for spatial database of land reclamation of mining area

矿区土地复垦空间数据库的E-R建模方法

Preliminary Discussion on the Spatial Database Based on GML/ KML

基于GML/KML的空间数据库研究

The Research and Implementation of the Full Relational Spatial Database Query Language

全关系空间数据库查询语言的研究和实现

Research on Spatial Database Query Oriented Natural Language

面向自然语言的空间数据库查询研究

Traditional data mining is working at relational database or transactional database, and is unable to reveal the meteorological information included in the spatial and temporal characteristics.

传统的数据挖掘是在关系数据库或事务型数据库中发现知识，无法揭示气象信启、中包含的时空特征。

Though at first data mining comes from relation database and transactional database, with the special character of spatial data, mining knowledge from spatial database brings the attention of data mining researchers.

尽管数据挖掘最初产生于关系数据库和事务数据库，但由于空间数据的特殊性，从空间数据库中发掘知识很快引起了数据挖掘研究者的关注。