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
- open system interconnection, OSI
- open system of hot water supply
- open system organization
- open systems and the corresponding interfaces for automotive electronics
- open systems interconnect reference model
- open tendering
- open tendering procurement
- open test device
- open tier
- open topological manifold
- open topology
- open tour
- open transformation
- open traverse
- open tubular column
- open-tubular column
- open tubular electrochromatography
- open tubular neighborhood
- open type
- open-type formula
- open type rock tunnel boring machine
- open-type rubber mixing mill
- open type switchgear
- open type tunnel boring machine method
- open type wharf on piles