数学

In this paper, mathematical models of soil-water characteristic curve are divided into four types based on the patterns of mathematical models.

本文对土水特征曲线数学模型进行了研究，依据这些模型的数学表达式形式，将其划分为4种类型。

Based on the fuzzy mathematics and the theory of the reliability design, the mathematics model of the fuzzy reliability design of the circular arc gear s is established.

根据模糊数学和可靠性设计理论，建立圆弧齿轮传动的模糊可靠性设计的数学模型，探讨其计算方法，并结合电厂球磨机的传动系统进行具体的模糊可靠性设计。

It is seeking a function's worth most and value region problem that the complex number and circular functions to solve problems.

中文摘要：数形结合的思想方法求解数学中的代数问题，用以"形"助"数"的方法为出发点，变抽象思维为形象思维，有助于把握数学问题的本质。

By using the mathematical method of curve integrals,it derives the mathematical formula to calculate the cross-section ductile coefficient of RC ring section member.

从钢筋混凝土正截面承载力计算时的基本假定出发，建立了环形截面上各种应力图形的函数表达式，利用曲线积分的数学方法，推导出计算钢筋混凝土环形截面构件截面延性系数的数学公式。

Results and conclusion: the mathematics mechanism theory of Nervous system about their basic data and interconnection may be expressed by the neural information encoding formulation: x1=m1a/b and y1=n1c/d、x2=m2b/a and y2=n2d/c The neural information encoding formulation have novenary and undecimal and many other scales. All Periphery Nervous- Cerebral Cortex- Sympathetic Nervous have obvious and invisible encoding data in 2 kinds: yin and yang ,2kinds:ambulatory and static state, 3 grades: Max Med and Min. they all exist in obvious or invisible type. Just like a cogwheel system and there is a inter-meory function among the data.

结果与结论：神经系统基本数据及其相互关系的数学机制可用神经信息编码计算公式：x1=m1a/b与y1=n1c/d、x2= m2b/a与y2=n2d/c表达；神经信息编码计算有9与11等多种进位制；周围神经-大脑皮质-交感神经皆以隐性或显性型式存在阴阳两种静动两类大中小三级编组数据，犹如齿轮系统，数据之间起着互记功能；45对周围神经-54对大脑皮质分区-15对交感神经、脊神经前根与后根神经小束数之比3/5等神经系统基本数据皆是由数学计算机制决定形成。

At first, according to the mechanical vibrationtheory and detailed analysis on coiling the different stage mathematical models of coiling are set-up. The correlation equations of the models are also given. Then, the paper presents an analysis ofthe moment of inertia of coiler in hot strip mill in detail, the equation of the inertia moment and theanalysis.

本课题首先从振动理论出发，对卷取的整个过程做了详尽的动力学分析，建立了不同卷取阶段的数学模型；接着分析了卷筒的惯性力矩，建立了卷筒张力控制的数学模型，推导了惯性力矩的理论表达式。

Five important themes are interwoven in this course: Mathematical reasoning, combinatorial analysis, discrete structures, applications and modeling, and algorithmic thinking.

一个成功的离散数学必须交织与平衡以下上五项主要课题，那就是数学推理。

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。

Study on the evaluation of advanced mathematics coursework based on the following respects,namely,the aim of evaluation for advanced mathematics coursework,the capability-target-oriented criteria and principle of evaluation ,the computational formula of comprehensive grade evaluation ,the construction of new methods of coursework evaluation ,the requirements of teachers quality and etc.

从高等数学课业评价的目的、以能力目标为导向的评价标准、评价原则、综合评价成绩计算公式、构建新的课业评价的考核方法及教师的素质要求等方面研究高职高等数学课程的课业评价方案。

By using an ultrasonic level detector and conductometer respectively, the level fluctuations and fluid mixed characteristics in the pool were measured under the conditions of different nozzle sizes and operation parameters.

数学模拟结果与激光测试流场变化趋势一致，在双侧孔水口形成的熔池上部区域计算结果与测试结果吻合较好，用所建立的数学模型可以较好地分析熔池内流体流动状况。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。