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
- concretion
- concretive
- concretively
- concretization
- concret noun（a name for a sub-categorization）
- Concubine Tian
- Concubine Yu
- Concubine Zheng
- concur
- concurrence
- concurrence of civil liabilities
- concurrence of fundamental rights
- concurrency
- concurrency control
- concurrency control in database systems
- concurrency model
- concurrency principle
- concurrency relation
- concurrent
- concurrent calibration
- concurrent circles
- concurrent computing
- concurrent control mechanism
- concurrent control system
- concurrent design