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
- colourful pottery pot with human face and fish patterns
- colourful pottery urn with vortex pattern
- colourful sculptures at Faxing Temple
- colourful sculptures at Fusheng Temple
- colourful sculptures at Qinglian Temple
- colourful sculptures at Two-Fairy Temple
- colourful sculptures at Zijin Temple
- colourful sculptures unearthed at Xianyu Tinghui’s tomb of Xi’an City
- Colourful Spring
- colour gamut
- colour glazed earthenware
- colour gunlock
- colouring
- colouring substance
- colourless halo
- colourless substance
- colour management
- colour matching of silk
- colourmeter
- colour misconvergence
- colourometry
- colour-painted lacquerwork in ancient China
- colour phasor
- colour photographing chemistry
- colour pyramid