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
- conformally flat manifold
- conformally flat metric
- conformally flat space
- conformally flat structure
- conformally geodesic lines
- conformally invariant
- conformally invariant metric
- conformally invariant object
- conformal manifold
- conformal map
- conformal mapping
- conformal mapping in electromagnetic field
- conformal mapping onto itself
- conformal mapping theorem
- conformal mapping theory
- conformal map projection
- conformal martingale
- conformal measure
- conformal metric
- conformal net
- conformal Newtonian gauge
- conformal plane
- conformal projection
- conformal projection chart
- conformal property