“entity-relationship model”的概念、定义、翻译、参考文献-科学参考

单词	entity-relationship model
释义	entity-relationship model Encyclopedia 理学数据库系统设计释 entity-relationship model实体关系模型通过客观事物及其联系进行形式化描述的数据模型。又称实体-联系模型、E-R模型。 Computer 数据库数据库理论释文 entity-relationship model实体-联系模型
随便看	preimpregnated pre-incident management pre-incident planning pre indefinite inner product space pre-indefinite inner product space preindefinite inner product space preinducer pre-induction preinductive class pre-initiation complex preinjector pre-inner product pre-inner product space pre-integral pre-intervention preionization pre irradiation grafting pre-irradiation grafting pre irradiation polymerization pre-irradiation polymerization Pre-job Training prejudication principle prejudice prekernel prelanguage

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。