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
- animal immune system
- animal immunocyte
- animal immunodiagnosis
- animal immunoprophylaxis
- animal immunotherapy
- animal individual information acquisition
- animal innate immunity
- animal isolator
- animalization
- animal joints
- animal law
- animal leiomyoma
- animal liberation
- animal-like mimicry
- animal/livestock house airborne particulate matter
- animal locomotor system
- animal lymphatic system
- animal lymph nodes
- animal lymphosarcoma
- animal map
- animal medicine analysis
- animal melanocytoma
- animal microorganism antigen
- animal model
- animal model of circulatory system disease