查询词典 constructive mathematics

At the same time, the notion of mathematics and the goal of mathematics education are innovating deeply.

与此同时，我们的数学观、数学教育目的也在发生深刻的变革。

This dissertation compares and reflects on classical mathematics between Chinese and Western, points that classical mathematics in Chinese differs from Western, former is a constructing and mechanizing system, and latter is logical and deduct system.

本文通过揭示中国古典数学思想及以古希腊为代表的西方古典数学思想特征的基础上，寻求二者之差异及引起差异的根源、表现及特征，指出中国古典数学的构造性、机械化的算法体系，完全有别于以古希腊为代表的西方数学的逻辑风格和演绎体系。

This text considers that permeation teaching is the main way of mathematics method of thinking"s teaching,and analyzes permeation teaching of the different moment, particularizes two individual cases example: anatomizes mathematics method of thinking of the chapter cleping "rational number , and the project of its permeation teaching; anatomizes the teaching measure of making students fromfeeling numeral-form combination method of thinking, to agile using it.

本文指出渗透是数学思想和方法教学的主要方式，分析了不同阶段的渗透教学，并列举了两个案例：剖析有理数一章的数学思想和方法，及其渗透方案；分析学生从感悟数形结合的思想方法，到灵活运用的过程中的教学措施。

It first recapitulates the basic theory and actuality about fuzzy set, gray systems and attribute mathematics. On this basis, some new theories and ways are presented, and they are substantiated from Opsearch and Control Theory as well as examples. Around the related range of Opsearch and Control Theory, the problems in economy and management are solved by use of Indeterminacy Mathematics Method.

首先概括总结了模糊集、灰色系统、属性数学的基本理论和现状，在此基础上，提出了一些新的理论和方法，并将它们充实到运筹学与控制理论及其实例中去，围绕运筹学与控制论所涉及的相关范围用不确定性数学方法解决经济和管理中的问题。

If you hope the certificate, when seeks for the Fermat's theorem with ten year the primary proof defeat to be possible to come back, you definitely may prove, from the Maxwell time, these smatters to mathematics the human in starts with more and more complex mark cover mathematics thought insufficiency, hides constructs the natural law in the studio, gains God's favor.

如果你希望证明，当用十年的时间寻找费马大定理的初等证明的失败可回来，你完全可证明，自麦克斯韦时代起，那些对数学一知半解的人就在开始用越来越复杂的符号掩盖数学思维的不足，躲在书房里构造自然规律，获取上帝的宠幸。

Part two: Extend the question Mainly stales the definitionand position of Mathematics creative education and mathematics discovery.

第二部分是问题的展开：主要论述数学创新教育和数学发现的涵义和定位。

The learning of mathematics conceptions is the basis of mathematics learning.

数学概念的学习是数学学习的基础。

Based on the air drying theory of capillary porous media, mathematics model of through air drying of paper was established, and the mathematics model was analysed and calculated.

基于多孔介质气流干燥理论，建立了纸张气流穿透干燥的数学模型，并对数学模型进行了分析求解。

From the 13th to the 16th century, Liber Abaci affected the development of arithmetic mathematical, the revolution in business Mathematics, and the mathematics education in Europe.

十三世纪意大利数学家斐波那契的《计算之书》(Liber Abaci，1202初版、1228再版)是中世纪晚期欧洲重要的数学著作，在13到16世纪对欧洲算法化数学发展、商业数学革命、以及数学教育变革等方面产生了广泛的影响。

Adhibiting the nerve cell and qurdratic capability target, by the self-adapting self-studying consistent and better abiding of the nerve cell ,the thesis realizes the conforming of the parameter not depending the canal mathematics ,furthermore the parameter can self-adjust for the information of the canal.Combining the BP nets and the routine PID controller, and adhibiting the linear optimization target function, the thesis realizes the conforming of the parameter not depending the canal mathematics, furthermore the parameter can self-adjust for the information of the canal. Using the MATLAB the thesis simulates and acquires some significative effects.

在传统PID渠道控制中引入了神经元和二次型性能指标，利用神经元自适应、自学习、并行处理及较强的容错能力，实现了PID控制中参数的整定不依赖于渠道数学模型，且PID参数能根据渠道的适时信息在线调整以满足适时控制的要求将BP网络与常规PID控制结合，并引入了最优化目标函数，利用BP网络来实现PID控制器参数的在线整定，将其运用于渠系等体积控制，并利用MATLAB软件进行了数值模拟仿真，取得了一些有意义的成果和较为满意的结果。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。