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
- A Quickly Written Poetry to Thanks to Mr. Meng Jianyi for Sending New Tea
- aquiclude
- aquic moisture regime
- aquicultural environment of shallow sea and littoral zone
- aquiculture animal oxygen consumption rate
- aquiculture animal physiological responses
- aquiculture animal stress reaction
- aquifer
- aquifer breakage
- aquifer storage and recovery
- aquifer system
- aquifuge
- Aquila
- Aquila Rift
- Aquitaine
- Aquitaine Basin
- Aquitaine-Limousin-Poitou-Charentes
- Aquitains
- Aquitanian Stage
- aquitard
- aquo-ion
- aquoluminescence
- aquolysis
- A.R.
- AR