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
- flood control of Pearl river
- flood control of Songhuajiang River
- flood control of Taihu
- flood control of tailings pond
- flood control of the Yellow River in ancient China
- flood control operation
- flood control planning
- flood control region
- flood control road
- Flood control system of Mississippi river
- flood control thought in ancient Chinese
- flood control with reservoir
- flood control works
- flood damage
- flood delta
- flood detention area
- flood detention basin
- flood disaster
- Flood Disaster Assessment
- flood disaster in China
- flood disaster map
- flood disaster monitoring in civil engineering
- flood discharge atomization
- flood diversion and detention area management
- flood diversion project