数据库 数据库理论 释文 predicate data model 谓词数据模型 数据库 数据库理论 释文 predicate data model 谓词数据模型
- beauxite
- beaver
- Beaverbrook Newspaper Chains
- Beaverhead crater
- beavertail
- Bebhionn
- bebop
- BEC
- be cautious in imposing punishments to show benevolence
- Becchi-Rouet-Stora-Tyutin transformation
- BECERA
- Bechgaard salt
- Bechuana
- Beck
- Beckenbach
- Becker
- Becklin-Neugebauer object
- Beckmann
- Beckmann rearrangement
- Beckmann thermometer
- Beckstead-Derr-Price flame model
- Beck theorem
- Becky Sharp
- Become
- becoming a shareholder