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
- Attila József
- Attilio Bertolucci
- Attis Theater
- attitude
- attitude adjustment
- attitude and heading reference system
- attitude-behavior consistency
- attitude change
- attitude control
- attitude control engine
- attitude control system
- attitude correction
- attitude-determination GNSS receiver
- attitude determination of carrier phase
- attitude learning
- attitude level effect
- attitude maneuver control
- attitude maneuver for star searching
- attitude measurement
- attitude measuring equipment
- attitude measuring sensor
- attitude parameter
- attitude pursuit guidance
- attitude scale
- attitude sensor