工学 空间数据模型 释 spatial data model 空间数据模型 地理信息系统（GIS）中空间数据组织的概念和方法。反映现实世界中空间实体及其相互之间的联系，是描述GIS空间数据组织和进行空间数据库设计的理论基础。
数据库 数据库理论 释文 spatial data model 空间数据模型
- real-time measurement
- real time monitor
- real-time monitor
- real-time multimedia
- real-time network analysis of electric power system
- real-time observation
- real-time operating system
- real-time operation system
- real-time optimization
- real-time PCR
- real-time photogrammetry
- real-time pricing
- real-time processing
- real time release
- real-time rendering
- real-time restoration
- real-time signal processing
- real-time spectrum analyzer
- real-time strategy game
- real-time streaming protocol
- real-time streaming protocol, RTSP
- real-time studies
- real-time synchronization
- real-time system
- real-time system executive