1) relation algebra operation
关系代数运算
1.
This paper puts forward a new temporal relation data model, expounds concept of time filtration and relation algebra operation of temporal data based on the model, and provides illustrations.
提出一种新的时态关系数据模型C TRDM和基于该模型的时间过滤操作,并结合时态数据关系代数运算实例,说明它是完备的。
2) algebra operation
代数运算
1.
This paper gives a detail analysis of the features of image formation and someapplications of 4f optical signal processing system- The gridiron function processing,phase-amplitud transform, feature distinguishing as well as algebra operations (the four operations, derivation and integral operations, the coriration and auto correlations) are also considered.
较详细分析４ｆ相干光信息处理系统和４ｆ白光信息处理系统的成象特征及其在栅形函数信息处理、相幅转换、特征识别、代数运算（含加、减、乘、除、微积分、卷积以及相关运算）等方面的应用。
2.
In this paper,we discussed mainly applications and limits of image algebra operation for image inpainting.
主要讨论了图像的代数运算在图像修复中的应用及其局限性,并把图像的代数运算和数学的代数运算作了深入地比较和分析,以减少人们在应用当中的盲目性。
3) algebraic operations
代数运算
1.
This paper discusses the relationship between algebraic operations on Bloom filters and algebraic operations on data sets.
本文探讨布鲁姆过滤器的代数运算和集合查询的关系,定义布鲁姆过滤器的"并","交","异或","补","差"代数运算,从理论和实验两方面分析布鲁姆过滤器的代数运算和集合代数运算并集,交集,异或集,补集,差集的元素查询关系。
4) algebraic operation
代数运算
1.
In this paper,a simplified method is presented to translate nested SQL queries to algebraic operations in relational databases This method makes the SQL statements of this kind of queries concise and easy to understand,and also avoids too many nests in SQL expressions
本文提出一种将关系数据库的一类嵌套SQL查询转换为代数运算的一种简化方法 ,该方法使这类查询的SQL语句简洁易懂 ,避免了SQL语句的多层嵌
5) relational operation
关系运算
1.
To give a solution for the conventional managing software system of substation equipment that necessitates program modifications for different projects, a vieworiented data programming interface is presented and its dictionary data design, relational operation design, etc.
介绍了其字典类数据的设计、关系运算的设计、编程接口等内容。
6) computational relationship
运算关系
补充资料：代数运算
代数运算
algebraic operation
代数运算【aigeb面c哪限耐.;~6脚..一.忿钾-，]，n示零纂(n一aryo讲ra‘ion)，集合A上的 集合A的n次Descartes幂集到集合A内的一个映射 .:A”弓A数九称为该代数运算的元数(arity).历史上，首先考虑的是于子(bina仔)(”=2)运算和丁吞(unary)(n二l)运算的概念.零元(”二0)运算是集合A的固定元素;它们也称为特导(d istinguished)元，或亨项(constant) .20世纪出现了无限运算(infinitaryoperation)的概念，即一个映射田:A“~A，其中“是任一无限基数一个集合，若在其上定义了若干个代数运算，则称为一个泛代数(u niversalal罗bra).【补注】事实上，无限运算的研究始于20世纪50年代晚期(IAI]).在英语中零元运算也称为noughtaryoperation([A2]).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条