数学基础

Not only that in the integral calculus, aspects and so on progression theory, as well as take the mathematical analysis as foundation many aspects, the Lagrange theorem of mean is also studies the question the important means that plays the pivotal role frequently.

不仅如此，在积分学，级数理论等方面，以及以数学分析为基础的许多方面，拉格朗日中值定理也是研究问题的重要手段，经常发挥举足轻重的作用。

A new mathematical model is built based on the laminar flow model and coalescence and redispersion model.

在层状扩散模型和聚并分散模型的基础上，建立了一个新的数学模型，以1—萘酚与对氨基苯磺酸重氮盐这一竞争串联偶氮化合反应体系为例，计算了反映微观混合状态的离集指数。

In this paper, the optimal control problems of landing gear are investigated by using optimal control theory. A nonlinear mathematical model is established.

本文在最优控制理论的基础上，讨论了主动控制起落架的最优控制问题，并建立了一个非线性的数学模型。

The traditional methods of analysis of the landslide stability are mostly quantitative and definite analysis based on mathematical model.

传统的滑坡稳定性分析大多是建立在以数学模型为基础的一种确定性分析。

Based on the considering of fuzzy and random quality of each design parameter of single layer latticed domes,a new multi-objection optimization model is established.

本文在充分考虑了单层网壳优化设计参数的模糊性的基础上，建立了模糊优化设计的数学模型。

Using the theory of detonation, the law of conservation of mass, momentum and energy, the physical and mathematical models of gas explosion in excavation roadway were set up, on the basis of which the condition and possibility of explosion were analyzed.

应用爆炸理论和质量、动量、能量守恒定律，针对掘进巷道瓦斯爆炸建立了物理模型和数学模型，在此基础上分析了掘进巷道瓦斯爆炸的条件和可能性。

According to present situation,this thesis is based on Leith s design method,improves it and figures out the optimum design of cyclone separator in methmatical theory.

基于目前情况，本文以Leith半经验设计法为基础，对其进行改进和完善，用数学规划理论进行旋风除尘器结构尺寸的优化设计。

Based on specific requirement for the top-coal caving mining to the four-bar linkage ,a design method of the four-bar linkage is put forward in the paper in which the least difference function between the lemniscate locus and the power function curve is used as the main objective function.

基于综放工艺对支架四连杆机构的特殊要求，首次提出以双纽线与幂函数曲线之差值最小作为主要目标函数的数学模型，并在此基础上应用VisualBasic5 0编制了四连杆机构的优化设计程序，可以同时实现优化参数显示与优化结果的动态显

Based on the full three-dimensional numerical simulation for the centrifugal pump, an optimal mathematical model of blade curve is set up. In this model, the object function is the minimum length of the blade curve; the constraint condition is no recirculation atr=0.5. This model makes the design of optimum blade curve efficient.

在对离心泵内部流场进行全三维数值模拟的基础上，建立了叶片型线优化设计的数学模型以叶片长度最短为目标函数，叶轮相对半径，r=0.5处无回流为约束条件，讨论了该模型优化计算的方法。

Based on dynamics theory of multi-body systems, a nonlinear mathematical model of frame-bogies with Lenoir damper for freight cars is established. A tank car is taken as an example to study the effects of main parameters on hunting stability, dynamic curving behaviors and running responses of vehicle systems.

以多刚体系统动力学原理为基础，建立了具有利诺尔减振器的构架式转向架的非线性数学模型，并以罐车为例，研究了转向架关键参数对车辆系统的运动稳定性、曲线通过性能及运行平稳性的影响。

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。