查询词典 mathematical

A number of electrons revolving around a center of force constitutes an atom; atoms unite in absolutely regular mathematical ratios and form molecules, and these unite with each other to form a multitude of compounds which unite to build the Universe.

许多电子围绕一个能量的核心旋转，就构成了原子；原子按照一定的数学比例组合，就形成了分子；这些分子相互联合，就形成了许多化合物；这些化合物又构成了整个宇宙。

In view of the cooling water temperature difference in central air conditioning systems typically setting at 5℃,from the visual angle of economic and technology,establishes mathematical models to analyse the effect of the cooling water temperature and temperature difference on primary and operating costs of the cooling water systems.

针对目前集中空调系统冷却水温差大多采用5℃的情况，从经济技术的角度出发，以集中空调冷却水系统为研究对象，建立了冷却水温度与温差对冷却水系统各部分成本的影响的数学模型。

BACKGROUND: With development of the digitization in cephalometry and model, increasing mathematical methods are applied in studies of orthodontics.

摘要背景：随着口腔正畸学成像、模型观测等检查手段数字化程度的提高，越来越多的学者将数学方法应用于正畸学的研究中。

Chapter 5, explains emphasizly how to permeate the basic mathematical cerebration and methods into teaching.

第五章着重阐述了如何将数学基本思想方法渗透于中学数学教学中。

Tojoin the two meaning together, the mathematical cerebration and methods was created.

为了将两种意思合在一起说，有了"数学思想方法"的提法。

The analysis method and mathematical model of the CET are established.

建立了积累〓理论的分析方法和数学模型。

Set of the fractal supply chain similarity and self-similarity measuring index and mathematical model based on fractal method to analyze similarity were presented.

给出了分形供应链的相似性及自相似性评价指标集及基于分形方法的定量分析相似度的数学模型。

The product rule and chain rule, the notion of higher derivatives, Taylor series, and analytical were introduced by Isaac Newton in an idiosyncratic notation which he used to solve problems of mathematical physics .

该产品的规则和链的规则，概念，更高的衍生物，泰勒级数，并分析介绍了牛顿的特殊符号，他用来解决问题的数学物理。在他的出版物，牛顿改写他的想法，以适应数学习语的时间，取代的计算几何无穷小的等价论点被认为是无可指责的。

A mathematical expression describing the change of the newly defined damage variable against the strain is also derived.

并从理论上导出了所定义的损伤变量随应变变化的数学表达式。

In mathematical terms, the character set defines the set of all characters used in a language.

字符集以数字形式定义了一种语言中使用的所有字符。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。