理学 数据库系统设计 释 semantic data model 语义数据模型 一种基于高层语义的数据库描述和结构形式，是具有较强的语义功能的模型。
数据库 数据库应用开发 释文 semantic data model 语义数据模型
- ringworm anus
- ring（xiangmie） of Lisu nationality
- Rinne test
- Rinow
- rinse-off cosmetics
- Rinsing
- rinsing
- rinsing water automation control
- R-integrable function
- R-integral
- Rinzai School
- Rio Abiseo National Park
- Rio Bravo del Norte
- Rio Declaration on Environment and Development
- Rio De Janeiro Botanical Garden
- Rio de Janeiro International Film,TV and Video Festival
- Rio de Oro
- riometer
- Rion-Antirion Bridge
- riot
- Rio Tinto copper deposit
- RIP
- riparian ecosystems for pollution control
- riparian vegetation restoration
- rip current