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Initial random imperfections of composite panels are assumed to be Gaussian random fields and simulated numerically from their mean and autocovariance functions. Lindstedt-Poincare's perturbation technique is employed to solve the resulting nonlinear equation in the vibration analysis of imperfect composite panels. Monte Carlo analyses are performed for detailed numerical calculations.

层板之随机性几何缺陷以高斯随机场来描述，并利用其平均值函数及自方差函数来做数值的模拟；以Lindstedt-Poincare微扰方法来处理缺陷复合层板之非线性运动方程式，并使用蒙地卡罗法来做详细的数值分析。

A lifted turbulent H2/N2 jet flame in a hot and vitiated coflow is investigated numerically to explore the issues of autoignition as well as the flame lift-off.

采用数值方法研究了一个高温燃烧产物环境中的抬举湍流H2/N2射流火焰，对火焰的自然和抬举特性进行了研究。

That implies that Lefty is Righty: two things can 't be numerically identical with one thing.

这蕴涵：小左和小右，显然是两个东西，两个东西不能在数目上同一于一个东西。

A past or future person needn't be exactly like you are now in order to be you – that is, to be numerically identical with you.

一个未来或过去的人，无需和现在的你恰好相似，为了是你——即，和你数目同一。

Mainly the application of boll beany; Assiting system with the control of open-loop system and its working prinples; The design of the whole machine structure and it advantages and disadvantages; The design of the numerically controlled device ,and its control principles.

此设计主要对数控磨床的机构进行设计，了解单片机的工作原理，主要有以下几个方面：X、Y工作台的传动机构设计，主要是滚珠丝杠的运用；伺服系统应用开环控制，了解它的工作原理；机床整体结构的设计，了解优缺点，充分考虑主要矛盾，择优选取；数控装置的设计，了解其控制原理。

But even if we admit that Kutuzov and Tchitchagov and the others were responsible for the non-success of the Russians, it is still impossible to understand why, in the position the Russian troops were in at Krasnoe and the Berezina, on both occasions with numerically superior forces, the French army and marshals were not taken prisoners, if that really was the aim of the Russians.

然而，退一万步来说，让我们假定，俄国人的失误是库图佐夫和奇恰戈夫等人的罪过。然而仍然难于理解的是，为什么俄国军队在克拉斯诺耶和在别列济纳拥有那些条件（俄国军队在这两处均占据优势），而法国军队及其元帅们、王侯们和皇帝没有被俘获，而这又正是俄国人的目的，这又是什么原因呢？

The grid generation technique for body_fitted coordinate system by means of numerical solution of biharmonic equations is studied, then the topical H_type grid and the flow field is generated and simulated numerically, respectively.

本文对利用双调和方程微分法生成贴体坐标网格的技术进行了探讨和尝试，生成了典型的H型网格，并对流场进行了数值模拟。

The investigation for the interaction between planar moving shock wave and blast wave were carried out both numerically and experimentally.

通过数值模拟分析了不同条件下平面运动激波和爆炸波相互作用的特点，并通过实验进行了验证，数值模拟结果和实验结果吻合得很好。

Using spherical harmonic function expansion and finite element method,Boltzmann transport equation is solved numerically,the convergence of the method is approved.

讨论了谱有限元方法在中子测井数值模拟中的应用，用球谐函数谱展开和有限元耦合方法求解Boltzmann中子输运方程，得到了这种耦合方法的收敛性。

The effects of rotation on boundary layer have also been analyzed numerically.

在更广泛的情况下，稳定性分析结果与应用Box法在边界层计算中所发现的现象是一致的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。