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
- Shanghai Urban Planning Review
- Shanghai Waigaoqiao Baoshuiqu
- Shanghai watch
- Shanghai water conservancy
- Shanghai Waterworks Company
- Shanghai Workers' Three Armed Uprisings
- Shanghai World Expo Park Planning
- Shanghai Wusong Paotaiwan National Wetland Park
- Shanghai-Wusong Railway
- Shanghai Xintiandi
- Shanghai Yangshupu Power Plant
- Shanghai Ying Chang Photographer
- Shanghai Youth Drama Troupe
- Shanghai Yue Opera House
- Shanghai Zhan
- Shanghai Zhenling Primary School
- Shanghai Zoological Park
- Shanghai Zujie
- Shanghang County Museum
- Shanghang Xian
- Shanghan Lun
- Shanghe Xian
- Shang Heyu
- Shang Hua
- Shanghuan Stage