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 集合代数
 set algebra
 The symmetry operation on a set algebra P(x) is induced mapping by doubly mapping on X; 集合代数P(X)上的对称运算都是X上的对合映射所导出的映射; 短句来源 Minimal Complete Sets of Several Operations on Set Algebra 集合代数上几种代数运算的极小完备集 短句来源 All finite symmetry Boolean algebra are set algebra of a certain set X, Which has a doubly mapping. 有限的对称布尔代数都是某个带有一个对合映射的集合X上的集合代数。 短句来源
 aggregate algebra
 Now among the relational data model-based database technology, which is still the main database technology, relational algebra, relational calculus (tuple and domain) and SQL, which is between the two languages, are all based on strict aggregate algebra theory or predication calculation in symbolic logic. 目前以关系数据模型为基础的主流数据库技术中，无论是关系代数，关系演算(元组或域)，或者是介于这两者之间的SQL语言，它们都是建立在严格的集合代数理论或数理逻辑中谓词演算理论基础之上。 短句来源
 “集合代数”译为未确定词的双语例句
 8.A set algebraic model that can uni1~ the keywords-based relation query and content-based retrieval is presented. 8．提出了一种能够把图像关系查询和基于内容查询相统一的集合代数模型。 短句来源 In this method, a spatial object is treated as a whole, the Voronoi region of an object is employed to enhance its interaction with its neighbors, and appropriate operators from set operators and several types of values are utilized to compute the spatial relations spatial objects. 在此基础之上，本文针对GIS空间数据的特征，以空间认知、拓扑学、集合代数与计算几何为主要理论依据，提出使用空间目标的整体及其Voronoi区域，应用基本的集合算子进行空间关系计算的VW方法。 短句来源 Mathematical morphology is the new science of researching image. It is building on assemble algebra' and using assemble theory ways to describe geometrystructure. 数学形态学是一种研究图象的新的数学方法，它是建立在集合代数基础上、用集合论方法定量描述几何结构的科学。 短句来源 3.The concepts of O-ideal was proposed and its property was discussed. Ultra-filter on a set S of lattice implication algebra was defined and was compared with the ultra-filter on a set of lattice, the relationship between this two ultra-filter was studied. 3、给出了格蕴涵代数中O-理想的定义并讨论了其性质，给出了格蕴涵代数中集合S上超滤子的定义并与集合代数上的超滤子作了比较，研究了两种超滤子之间的关系。 短句来源 A serially realizing algorithm of rough mining has been designed. 1.给出并证明有限集合代数系统可表示定理,设计基于粗糙集理论的数据挖掘(以下简称粗糙挖掘)串行实现算法。 短句来源 更多
 相似匹配句对
 An algebraic structure in the set X~* of strings 字符串集合X~*上的代数结构 短句来源 The set 集合(英文) 短句来源 ON BEI-ALGEBRAS BEI—代数 短句来源 FG-algebra FG-代数 短句来源 Ring of Set Liu wenqi (Kunming University of science & Technology,Kunming,650093) 集合环 短句来源

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 set algebra
 We apply set algebra to WordNet's synsets cooperating with WordNet's word ontology. Applications to set algebra, measure theory and linear sp We also present some practical applications of ZBDDs, such as solving combinatorial problems with unate cube set algebra, logic synthesis methods, Petri net processing, etc. A design process for a query language based on set algebra is described. (Maximal ones constitute its locus.) Situations are shown to form a Boolean algebra, and the Boolean set algebra of loci is its representation. 更多
 This paper studies the design theory for pneumatic sequential logic circuits.According to the feature of sequential construction, the sequences are clossified into two types:the uniform structural sequences and the non-uniform ones. Using the general principles of algebra of sets,the author has proved the necessary and sufficent conditions for the restricted sig- nals to eliminate unwanted signals,an objective law about existing “Chain”structure restricted signals in the uniform sequences,and the method to determine... This paper studies the design theory for pneumatic sequential logic circuits.According to the feature of sequential construction, the sequences are clossified into two types:the uniform structural sequences and the non-uniform ones. Using the general principles of algebra of sets,the author has proved the necessary and sufficent conditions for the restricted sig- nals to eliminate unwanted signals,an objective law about existing “Chain”structure restricted signals in the uniform sequences,and the method to determine restricted signals.We also propose the pri- nciple and the concrete method to transform from the non-uniform structural sequence iuto uniform sequence. This paper proposes a new design method i.e.the state-interval method,and then cites some typical examples. 本文研究流体逻辑时序线路的设计理论。作者按照程序的结构特征,将程序分为结构均勻程序和结构非均匀程序两类。作者应用集合代数理论,论证了消除障碍所用制约信号的充要条件,结构均匀程序“链条”结构式制约信号的存在规律和寻找方法以及将结构非均匀程序化为结构均匀程序的原则和方法。文章提出了一种新的设计方法——状态区间法,并举了几个实例。 This paper discusses the relations between the symmetry operation on lattices and the order-preserving doubly mapping. the main conclusion is that: The order-preserving doubly mapping on the set of v-inseparable elements of dual perfect distributive lattice L can be expanded on to L; The order-preserving doubly mapping on a Boolean algebra equivalents to symmetry operation; The symmetry operation on a set algebra P(x) is induced mapping by doubly mapping on X; All finite symmetry Boolean algebra are set algebra... This paper discusses the relations between the symmetry operation on lattices and the order-preserving doubly mapping. the main conclusion is that: The order-preserving doubly mapping on the set of v-inseparable elements of dual perfect distributive lattice L can be expanded on to L; The order-preserving doubly mapping on a Boolean algebra equivalents to symmetry operation; The symmetry operation on a set algebra P(x) is induced mapping by doubly mapping on X; All finite symmetry Boolean algebra are set algebra of a certain set X, Which has a doubly mapping. 本文讨论了格上对称运算和保序对合映射之间的关系。主要结果是:对偶完全分配格L的既约元集上的保序对合映射可以唯一地扩张到L上;布尔代数上保序对合映射与对称运算等价;集合代数P(X)上的对称运算都是X上的对合映射所导出的映射;有限的对称布尔代数都是某个带有一个对合映射的集合X上的集合代数。 This paper again Studies the design theory and method forsequential logic circuit of the complex pneumatic system,whichconsists of not only some single-or multi-reciprocal actuatorswith two limit valves but also some multireciprocal actuators witha number of limit valves.The author redefines the dual stateinterval(DSI),proves the objective law about the existingrestricting signals to eliminate unwanted signals and the method todetermine restricted signals by general principles of algebra ofsets.Substantially... This paper again Studies the design theory and method forsequential logic circuit of the complex pneumatic system,whichconsists of not only some single-or multi-reciprocal actuatorswith two limit valves but also some multireciprocal actuators witha number of limit valves.The author redefines the dual stateinterval(DSI),proves the objective law about the existingrestricting signals to eliminate unwanted signals and the method todetermine restricted signals by general principles of algebra ofsets.Substantially he improves the state-interval method proposedin Ref.[1]. 本文研究复杂气动系统的时序逻辑线路的设计理论与方法,这种复杂气动系统中不仅包含着干有两个行程阀的单往复或多往复气缸,还可包含若干有多个行程阀的多往复气缸。文中重新定义了对偶状态区间,用集合代数论证了消障制约信号的存在规律及其寻找方法。大大改进了文[1]提出的状态区间法。 << 更多相关文摘
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