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
- nonlinear acoustics
- nonlinear algebraic equation
- nonlinear analysis
- nonlinear anomalous Nernst effect
- nonlinear approximation
- non-linear architecture
- nonlinear artificial boundary condition
- non-linear astronomy
- nonlinear atmospheric dynamics
- nonlinear atmospheric wave
- nonlinear atom optics
- non linear autoregressive model
- non-linear autoregressive model
- nonlinear autoregressive model
- nonlinear bias
- non linear boundary value problem
- non-linear boundary value problem
- nonlinear boundary value problem
- nonlinear characteristics
- nonlinear chemical macro kinetics
- nonlinear chemical thermodynamics
- nonlinear chemistry
- non linear chromatography
- non-linear chromatography
- nonlinear chromatography