理学 数据库系统 释 relational database 关系数据库 采用关系模型的数据库。 理学 云计算 释 relational database 关系数据库 采用关系模型（relational model）来组织数据的数字数据库，一种可以存储数据，也可以选择性进行功能实现的永久性存储机制。
数据库 数据库管理系统及其实现技术 释文 relational database 关系数据库
- three-circles theorem
- three close
- Three coining offices of shanglin
- three collections and five unified management
- three-colorable
- three-colorable graph
- three-colorable knot
- three-colorable map
- Three-color block-printed edition
- three-color photometry
- Three Colors:Blue, White, Red
- Three Colors of Xishuangbanna
- three-color theorem
- three-color tube
- three-colour glazed porcelain pillow with northern tune short lyrics of Jin Dynasty (A.D. 1115-1234) preserved in Luoyang City
- three-column disconnector
- three-column settle centrifuge
- three combination
- Three Commands
- three component geophone
- three-component liquid rocket engine
- three-component marine magnetometer
- Three Concubines
- Three conics theorem
- Three Conjoined Brozne Wares of Fuhao