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
- knowledge-based consultation system
- knowledge-based enterprise
- knowledge-based inference system
- knowledge-based machine translation
- knowledge-based machine translation, KBMT
- knowledge-based potential
- knowledge-based service
- knowledge-based simulation system
- knowledge-based software engineering
- knowledge-based system
- Knowledge-based View
- knowledge base machine
- knowledge base management system
- knowledge base question answering
- knowledge base system
- knowledge building
- knowledge capital
- knowledge capital evaluation
- knowledge capital measurement method
- knowledge chain
- knowledge classification
- knowledge classification system
- knowledge collection
- knowledge commons
- knowledge communication