Tuple relational calculus 元组关系演算 ; 微积分
domain relational calculus [计] 域关系演算 ; 域关系微积分
Relational calculus and Logical operation 关系运算与逻辑运算 ; 三
Fuzzy relational calculus 模糊关系微积分理论
the tuple relational calculus 元组关系演算
DRC Domain Relational Calculus 域相关微积分程序
safe relational calculus expression 安全关连式演算陈式
medium relational calculus 中介关系演算
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以上来源于: WordNet
Our approach is based on an extended relational calculus, and reduces the consistency problem to a satisfiability problem of relational formulae.
该方法以扩展的关系逻辑为语义基础，把一致性问题归结为关系逻辑公式的可满足性问题。
Based on this model, this paper constructs two different kinds of medium relational database query languages: medium relational calculus and medium relational algebra.
给出了中介关系数据模型，在此基础上构造了两类不同的中介关系数据库查询语言：中介关系演算和中介关系代数。
Based on the relational knowledge model, the knowledge base management system GKBMS is introduced in this paper. GKBMS combines predicate calculus with relational calculus.
本文以关系知识模型为基础，用谓词演算和关系演算描述了一个知识库管理系统GKBMS。
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