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
- Yueyang
- Yueyang Baling Opera Inheritance Research Institute
- Yueyang city
- Yueyang Confucian Temple
- Yueyang flower-drum opera
- Yueyanglou Qu
- Yueyang Museum
- Yueyang Pavilion
- Yueyang Shi
- Yueyang Tonggushan
- Yueyang Tower
- Yueyang Tower and Dongting Lake Scenic and Historic Area
- Yueyang Xian
- Yueya Quan
- Yue Yi
- Yue Yun
- Yuezangzhijin
- Yuezhi Chief Military Commission
- Yuezhong playwrights
- Yue Zhongqi
- Yuezhou kiln
- Yuezhuang
- Yu Fan
- Yu Fei
- Yu Feian