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
- non-compensatory model
- non-compete system
- noncompetitive inhibition
- noncompetitive inhibitor
- non-competitive party system
- non-competitive price model
- non-complementable subspace
- non-complete
- non-complete quotient
- non-complete space
- noncompliance
- non-compressible fluid
- non-computability
- non-computing delay
- non-concordantly oriented simplex
- nonconcurrent lines
- non-condensable geothermal gas
- non-conductor mineral
- nonconfocal
- nonconformal mapping
- nonconforming
- nonconforming element
- nonconforming element method
- nonconforming finite element
- non-conforming finite element method