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- contact relation algebras 连接关系代数
- Let us go back to the boundary of granite and foliated granite and observe their contact relation. 我们再转回到花岗岩与片理花岗岩的接触处，去观察一下二者之间的接触关系。
- In relational databases, an operator in relational algebra. 在关系数据库中，关系代数用的一种运算符。
- ER() also gives a set of integrity rules.ER() expends relation model and relation algebra and uses object oriented and relation model to present multidimensional data. ER()给出了一组完整性规则.;扩充了关系模型和关系代数;使得能用关系对象模型表示多维数据
- Contact relation of subaqueous volcanic rocks and underlying strata is conformity, disconformity or erosion. 与下伏地层呈整合、假整合或侵性接触；
- Based on studying in detail of the petrology, contact relation, deformation, metamorphism and so on, the metamorphic granitoids can be recognized and brokenup from metamorphic terrane. 通过详细的岩石学特徵、接触关系、形变及变质特徵研究，从变质地层中识别和解体出众多的变质花岗岩体。
- In relational algebra, the problems I discussed in this article are called relational division. 在关系代数中,我在本文中讨论的问题称为关系划分。
- Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed. 采用动力接触有限元法分析强夯中夯?对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
- Based on studying in detail of the petrology，contact relation，deformation，metamorphism and so on，the metamorphic granitoids can be recognized and brokenup from metamorphic terrane. 通过详细的岩石学特征、接触关系、形变及变质特征研究，从变质地层中识别和解体出众多的变质花岗岩体。
- The contact relation was unclear within the Ordovician in Lunnan area of Tarim basin due to lack of related information. 摘要受资料条件的限制，以往对轮南地区奥陶系内部的接触关系并不十分清楚。
- From the perspective of relational algebra,decomposes any query to the sub-query on data partitioned horizontally and the post-query on merged intermediate results. 从关系代数的角度,将任意查询分解成对水平数据分区的子查询和汇总中间结果的后处理查询。
- This paper introduces the concept of generalized fuzzy relation and extends relational algebra operators such as union, intersection, difference, Cartesian product, selection, projection etc. 文中引入了广义模糊关系的概念，讨论了广义模糊关系代数的操作：广义模糊并、广义模糊交、广义模糊差、广义模糊笛卡尔积、广义模糊投影和广义模糊选择等。
- Other absorber material, such as foam type, plastic type and so on, just contact related technical people. 其它类型的电磁波吸收材料，主要有泡棉类，橡胶类，具体请咨询我公司相关技术人员。
- Various projects are in progress, but we do always need your help. If you have good designs, ideas or would kindly give a hand, please contact related project co-ordinators. 我们有好几个不同的计画正在进行中，所以十分需要你们的帮忙，如果你有好的建议,想法或可抽空帮忙，请与有关负责人联络。
- The Contact Relation Between Chinese and Vietnamese 试论汉语与越南语的接触关系
- Calculation method of wheel-rail contact relation 轮轨接触关系计算方法
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- Relational Algebra and Relational Calculus 关系代数与关系演算
- Temporal Extension of Relational Algebra Operators 关系代数操作符的时态扩展
- original relational algebra operators 原始算子
