查询词典 mathematical notation

In this paper, under the guide of modern pedagogy, psychology and mathematical education theory, the cause for the problem and countermove were discussed and studied.

在数学学习中，她们存在的主要问题是课堂听课质量不高、数学阅读有障碍及综合解决问题的能力较差。

First, the mathematical model of thermal and mechanical coupling analysis is defined.

首先定义了用于热—机耦合分析的数学模型。

It is the story that a new ego knows next, in the process of study, his reappraise oneself mathematical endowment: The classmate is too crackajack, the talent is full of it is all round you.

接下来又是一个重新自我认识的故事，在学习的过程中，他重新评估了自己的数学天赋：同学太杰出，天才充斥在你周围。

It provided a correct and reasonable mathematical model for the analysis of the ultimate bearing capacity and crankle stability of the thin-walled structure.

论文在比较了两种运动描述方法（完全拉格朗日法和更新拉格朗日法）异同点并分析了非线性几何关系及大变形下的弹性物理关系的基础上，基于增量虚功原理推导了几何非线性空间梁元单元切线刚度矩阵，采取分模块形式，分别表示了轴力、弯矩、双力矩对几何矩阵的贡献；通过球面显式荷载增量迭代式弧长法求解方法编制程序，很好地实现了几何非线性增量荷载的自动步长选择及全过程跟踪，为薄壁杆系结构的极限承载力分析和弯扭失稳分析，提供了较为精确合理的分析力学模型。

He also includes as Strange Loops the famous paradox about Cretan liars who say they never lie, and Gdel's proof of unprovable mathematical axioms.

他把著名的说自己从不骗人的克里特岛骗子的悖论，以及哥德尔无法证明的数学公理的证明也算在"怪圈"里。

In order to solve the double parameters enveloped in the gear tooth flank generating,the complicated double parameter envelope is simplified to the generating process between work-piece and imaginary crown generating gear by means of mathematical transformation.

摘 要：为了解决直接求解展成法加工中存在的复杂双参数包络问题时的困难，提出通过数学变换，将此包络问题转化为假想平面产形轮与工件之间的展成问题来进行研究。

In order to solve the double parameters enveloped in the geartooth flank generating,the complicated double parameter envelope is simplified to the generating process between work-piece and imaginary crown generating gear by means of mathematical transformation.

为了解决直接求解展成法加工中存在的复杂双参数包络问题时的困难，提出通过数学变换，将此包络问题转化为假想平面产形轮与工件之间的展成问题来进行研究。

Taking the minimization of the tooth crown of a worm wheel and the maximization of transmission efficiency and the distance from the center as objectives,we establish the mathematical model for the multi-objective optimal design of worm transmission on the condition that the worm wheel and the worm transmission meet the requirements for load,strength and others.

以蜗轮齿冠体积最小、传动效率最高和中心距最小为目标，在保证蜗轮和蜗杆满足承载、强度及其它要求的前提下建立蜗杆传动多目标优化设计的数学模型。

A mathematical model of stress distribution in vacuum glass was established by using crunode method.

用结点法建立真空玻璃应力分布数学模型。

The mathematical model of brace stress-strain in the vacuum glazing was established based upon the crunode method of elastic mechanics.

用弹性力学的结点法建立真空玻璃支撑应力-应变数学模型，求出真空玻璃的支撑应力-应变场，分析了其应力-应变分布规律，同时用电测方法进行试验验证。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。