查询词典 constructive mathematics

Mathematics, physics, chemistry, biology, English race groups, Literary Society, dance team, track and field teams, a brass band, computer groups, art groups activities were carried booming, many inside and outside the various activities in the district, winning numerous awards and competitions .

数学、物理、化学、生物、英语竞赛小组、文学社、舞蹈队、田径队、铜管乐队、电脑小组、美术小组的活动开展得红红火火，多次在区内外各类活动和比赛中获奖。

Thus it happens that our entire present day culture, to the degree that it reflects intellectual achievement and the harnessing of nature, is founded on mathematics.

所以才出现这样的情景：我们现代所有的文明都是经由数学取得的，在一定程度上它反应了智力水平和驾御自然的能力。

The figure simulation of power system is a complex subject of computer science and computational mathematics and control theory and power system application technology. Its essential is that it study work characteristic of system in a definite-time by mathematical model.

电力系统数字仿真是计算机科学、计算数学、控制理论和电力专业应用技术等综合的学科，其实质是通过数学模型来研究系统在规定时间内的工作特征，即用模型来研究系统。

Application of fuzzy mathematics on recognition of fault style in mining and driving face.

胡建平。模糊数学在采掘工作面断层类型识别中的应用。

As solenoid valve the key component in the electronic-control system, the essay focuses on certain solenoid valve construction and characteristics, and set the mathematics model, which used the Simulink to analyze the driving voltage, spring tension and mobile quality, and found that it is complicated on the influence of different factors on solenoid valve, one factor can accelerate the turning off response, but may slower turning on response.

由于电磁阀是电控喷油系统中的关键器件，因此本论文针对某型电磁阀的结构和特点，建立了数学模型。并运用Simulink软件对其进行了仿真研究，分析了驱动电压，回位弹簧预紧力以及运动件质量等对电磁阀响应特性的影响。研究发现影响电磁阀响应特性的因素是十分复杂的，一种因素往往在加速电磁阀关闭响应的同时却会延迟电磁阀开启的响应。

Assessable mathematical model of safety evacuation in subway station was proposed with combined principle of fuzzy mathematics and fuzzy hierarchy analysis process.

根据地铁站的火灾特点和安全疏散的影响因素建立了评估因素集，结合模糊数学原理和模糊层次分析法，建立了地铁站安全疏散评估数学模型。

Based on the translation of Liber Abaci from English to Chinese, and studying the large number of material, this dissertation is mainly intended to comprehensively analyze the contents, explore the algorithm, summarize the methods and thinking of mathematics from Fibonacci.This paper is composed of eight chapters.

本论文在完成《计算之书》英译本(2002年出版)汉语翻译的基础上，通过对《计算之书》以及相关中外文献的研读，全面分析了《计算之书》中的数学内容，对言辞模糊、表达不明的算题、算法进行深入算理分析，就其中重要的数学方法进行了认真的梳理和概括，并对《计算之书》中的数学思想、算法源流进行了初步探讨。

Chapter Eight concludes the achievement of this dissertation, and some problems will be answered through more discussions. To sum up, this dissertation argues that Liber Abaci has three kinds of features, i.e., a rich content Mathematic, a variety of mathematics cultural exchange, and the dissemination diversify.

斐波那契注重问题求解，以设计出尽量简单的算法求出解答为目标，利用欧几里得《原本》定理进行几何证明代数方法合理性的过程中，不追求逻辑论证的完美，而是凭藉巧妙的几何图形构造，简化计算过程，从而得到问题的解答。

In this chapter, through the analysis of"the method Elchataym"and"the method tree", the study of the problems in chapter thirteen in Liber Abaci, and the comparison of"the method of Excess and Deficit"in Chinese mathematics, it argues that"the method Elchataym"is not equal to"the method of Excess and Deficit", and statement that"Elchataym"is"Khitan"lacks convincing support.

本论文通过对&Elchataym算法&、&树方法&算理分析、对第十三章所有算题系统研究、以及将&Elchataym算法&、&树方法&和中算之&盈不足术&比较之后认为：&Elchataym算法&不完全等同于&盈不足术&，而且认为&Elchataym&就是&契丹&的音译缺少令人信服的支持。

Liber Abaci emphasizes summed-up algorithm, but does not pay attention to the form of propositions derived, and it mainly reflects the tendency of practical algorithms, such as principal method from India and the algebraic knowledge from the Arab. In Liber Abaci it is found some problems similar to ancient Chinese mathematics like pursuit problems, drainage problems, business problems, hundred fowls problems, remainder problems, indeterminate problems, as well as some Algorithm—fraction addition and subtraction,the compound rule of three, the method Elchataym and the method of Excess and Deficit, and so on.

在系统梳理《计算之书》数学内容过程中，笔者发现《计算之书》中存有与中国古代数学中相似的实用算题，如：追及问题、排水问题、经商问题、百鸡问题、剩余问题、不定问题等，以及和中算一致的算法：分数算法、多率法和重今有术、第二类&Elchataym算法&和盈不足术等。

Wenxing consistently adheres to the principle of "trict Management,All Member Participation,Quality First,Users Foremost" and follows the business philosophy of excellent quality,highly active and pursue excellence,thus outdoing its counterparts in terms of technology,production scale and administration.

文兴一贯秉承&严格管理、全员参与、质量第一、用户至上&的企业方针，遵循优质、高效和追求卓越的经营理念，从而实现在技术上、规模上、管理上处于同行领先地位。

The left atrium of the guinea pigs was innervated by the two afferent system.

豚鼠左心房受心脏的两个传入系统的双重支配。