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
- North-South Relations
- North-South Transect of Eastern China
- North Star
- north temperate belt
- north temperate zone
- North to south water transfer project in California
- North to south water transfer project in Israel
- North Tour and other
- Northwest Anti-enemy Bookstore
- northwest arid China
- Northwest Atlantic Fisheries Organization
- Northwest Battlefield Service Group
- Northwest Coast Native Peoples
- North West Company
- northwest-corner rule
- North-West Dialect of Prakrit
- North-West District
- Northwestern blotting
- Northwestern China coal occurrence area
- northwestern dwelling
- Northwestern Geology
- Northwestern Polytechnical University
- Northwestern Polytechnical University library
- North-Western Province
- Northwest Farming Culture Museum