查询词典 algebraic structure

The develop-algebraic structure defined in this can be regarded as a model of a open and complex system. Research of the structure aims at to construct new algebraic structure and establish a relation among intelligent science, system science and management and decision.

文中定义的拓代数结构，可以看作是开放复杂系统的模型，研究它旨在导出新的代数结构并建立其与系统科学、智能科学、管理及决策的联系。

In section one, we introduce some background of the topic, in section two we review some basic and recent results about the structure and hierarchies of the computably enumerable degrees which are closely related to our topic- the algebraic structure of the plus cupping Turing degrees, in section three, we outline the basic principles of the priority tree argument, one of the main frameworks and tools of theorem proving in computability theory, and in section four, we prove a new result concerning the algebraic structure of the plus cupping Turing degrees that there exist two computably enumerable degrees a, b such that a, b ? PC, and the join a V b of a and b is high.

度结合为0′。本篇论文分为4个部分：第一部分介绍了这个领域的一些背景知识；第二部分主要回顾了前人在研究可计算枚举度的结构和层谱时所取得的一些基本和最新结果，这些结果与我们的主题—加杯图灵度的代数结构密切相关；在第三部分中，我们概要的描述了优先树方法的基本原理，此方法是可计算性理论中定理证明的一个重要框架和工具；第四部分证明了一个加杯图灵度代数结构的新结果：存在两个可计算枚举度a，b，满足a，b∈PC，而且a和b的并a∨b是一个高度。

It is very important to investigate presented algebraic structure from new viewpoint, as well as aim at getting better results from an algebraic structure with few conditions.

从新的角度观测研究已有代数结构，在较少条件的代数结构中，期望得到较好的结论，具有重要的现实意义。

In this paper, we discuss effect algebra and related topics. The main results are the following:1. Effect algebra is a commutative algebraic structure. To get a non-commutative algebraic structure.we introduced the concepts of left difference and right difference, and we also introduced the concept of the Bi-difference sets, the concept of pseudo-difference poset, and proved that pseudo-difference poset is equivalent to pseudo-effect algebra.

效应代数描述的是具有交换性的量子系统，我们借助于差运算的思想研究了不可交换的量子逻辑结构，建立了左差、右差、伪差偏序集、双差集等概念，证明了伪差偏序集与伪效应代数等价，并得到了双差集的幺半群表示定理。

We also analyze the mechanism of the initial zinc blende structure and wurtzite structure phase transition in II-VI and III-V compound materials. The results indicate that the transition of zinc blende structure to rocksalt structure due to "chair" structure transform, the transition of wurtzite structure to rocksalt structure due to "chair" and "boat" structure transform.

对II-VI族和III-V族初始相为闪锌矿或纤锌矿的压致结构相变机制进行的分析表明，闪锌矿结构到岩盐矿的相变是因为"椅式"结构的变化，纤锌矿结构到岩盐矿的相变是因为"椅式"和"船形"两种结构的变化。

Sedimentation anyslys of soil under the action of deadweight; 2 Sedimentation anyslys of structure in using; 3 Endogen force anyslys of structure in using; 4 Soil remolding type anyslys; 5 Homogenous flush works anyslys; 6 Anyslys of the structure sedimentation effects of different flushing amount at the same place; 7 Anyslys of the structure sedimentation effects of different flushing places; 8 Anyslys of the structure sedimentation effects of different horizontal flushing places; 9 Anyslys of the structure sedimentation effects of different vertical flushing places; Getting the different between the endogen force of common structure and that of slant structure.

对掏土纠偏过程做了以下9个方面的分析：1、土体在自重作用下的沉降分析； 2、建筑物在使用阶段的沉降分析； 3、建筑物在使用阶段的内力分析； 4、土体受扰动类型分析； 5、均匀冲水施工过程分析； 6、同一个地方冲水量大小不同对建筑物沉降影响分析； 7、不同沉井冲水对建筑物沉降影响分析； 8、进深不同的土层冲水对建筑物沉降影响分析； 9、不同埋深土体冲水对建筑物沉降影响分析。

The sedimentary process of debris flow which has fundamental dynamic mechanism of flowing and creeping formed mainly various flowing structures, such as half-ring flowline structure, divided-flowing structure, bag-shaped flowline structure, divided-flowing structure, bag-shaped flowine structure, loaded structure, multiple-layered structure, washed gravel bed and lenssoiled-bed structure.

以流动和蠕动为基本动力机制的泥石流堆积过程多形成各种定向的流动构造，例如，半环状流线构造，分流构造，袋状流线构造、载荷构造、多层状构造、冲刷砾石层和透镜状土层构造。

Different from previously presented threshold RSA signature schemes, this new scheme can effectively avoid computation of any element\'s inverse in any algebraic structure such as Z_(φ and Z_N, which makes the complicated algebraic extension, parameter constraint and inversion pre-computation all unnecessary.

该体制基于整数矩阵运算，不需要对任何非域代数结构中的元素求逆，为构造高效实用的门限RSA签名方案奠定了基础。

In the light of the complex, high-level and non-linear feature of the mathematical model which describe the transport of the coalbed methane, this paper study the fully-implicit solving method of the mathematical model in detail. Based on the complexity of the algebraic equations which are formed eventually, according to the alternating direction implicit difference pattern, this paper use the iterative method and the fully main element Gauss-Jordan eliminating method to solve equations, which is to use the iterative method to determine coefficient matrix and use the fully main element Gauss-Jordan method to solve th linear algebraic equation group, at the same time of studying the solving method of the mathematical model, according to the devising requirement of FORTRAN77 program structure, this paper draw up computer program and form the corresponding computer model, and verify the validity and reliability of the model in theory by operating the model.

重点研究了模型内、外边界及有关参数的处理，针对描述煤层甲烷运移的数学模型是一个复杂、高阶非线性数学模型的特点，详细研究了模型的全隐式求解方法，根据最后形成的代数方程组的复杂性，按交替方向隐式差分格式，采用迭代与全选主元高斯约当消去法相结合的方法求解方程：即确定系数矩阵采用迭代法，求解线性方程组时采用全选主元高斯约当消去法，在研究模型解法的同时按FORTRAN结构化程序设计的要求，编制计算机程序，形成相应的CBMRS计算机模型，并通过模型的运行从理论上证明了模型的正确性与可靠性。

Determinants and their properties are also introduced. After review of the algebraic structure of the Euclidean space, the algebraic vector space then will be studied.

再复习欧几里德空间的一些代数性质与几何，然后学习向量空间与向量空间的性质。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。