管理学 知识组织 释 relation 关联关系 相同或不同对象具有联系时的结构化关系。
relation ①关系 ②关系式
＞代数学＞环论＞释义 relation 关系 relation 关系†；关系式
数据库 数据库管理系统及其实现技术 释文 relation 关系
- ecogeographic faunal groups in China
- ecogeography
- eco-habitus
- eco-hydraulic engineering
- eco-hydraulics
- eco-hydrology
- ecohydrology
- ecoimmunology
- eco-industrial chains for steel industry
- eco-industrial networks
- eco-industrial park
- eco-innovation
- eco-label
- Ecole des Beaux-Arts, Paris
- Ecole du Patrimoine Africain–EPA
- Ecole Nationale Supérieure des Arts et Industries Textiles
- E.coli infection
- E.coli infection in neonatal meningitis
- Ecolingusitics
- eco-literature
- eco-livable city
- ecological adaptation
- ecological aesthetics
- ecological agricultural techniques
- ecological amplitude