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In this paper, the influence of track stiffness on vibration and noise of highspeed wheel/rail system for slab track is investigated under the excitation of wheel/rail roughness on the basis of wheel/rail noise prediction model.

文献仁1〕在国外轮轨噪声相关研究的基础上，结合机车车辆一轨道藕合动力学原理2〕，提出了列车一轨道多轮对系统的轮轨噪声预测模型。

It is attached to the rear bodyshell clam via rear end plates which not only increases the stiffness of the whole structure but also ensures that as much of the airflow as possible passes over the rear wing.

它是连接到后方车身蛤通过尾部的车牌，不仅提高了整个结构的刚度，又能保证尽可能多的，超过了尾翼可能通过气流。

The sudden stiffness change on the top of tube towers of ship lifts caused the intensive seismic whipping effect to the top machinery building. To suppress the whipping effect, a roof MRD isolation system were presented.

升船机结构塔柱平台处的刚度突变会引起升船机顶部厂房强烈的地震鞭梢效应，在升船机结构模型上设置屋盖磁流变阻尼器MRD隔震系统并进行振动台试验，以验证该系统对控制升船机结构顶部厂房地震鞭梢效应的有效性。

He TiC-Al〓O〓-Fe cermets prepared by SHS/PHIP possess high mechanical properties such as well-improved flexural strength and fracture toughness owing to the addition of Fe, and highly special stiffness.

iC-Al〓O〓-Fe金属陶瓷具有良好的综合力学性能。材料具有很高的比刚度。

The theoretical and experimental research on the elasto-plastic buckling strength of the web with longitudinal stiffener in I-section steel girder under pure bending was made using energy method and the influence of stiffness of longitudinal stiffener on buckling coefficient of the girder web was analyzed.

对工字钢梁腹板在纯弯作用下的弹塑性屈曲承载能力进行了理论计算和试验研究，并进行了对比分析，着重研究了纵向加劲肋刚度对腹板屈曲系数的影响－对现行《钢结构设计规范》（GBJ17－ 88）的有关条款进行了讨论

Compile the embedded software with C, this includes calculation of blood pressure, heart rate, artery stiffness, artery compliance, peripheral resistance and stroke volume, etc.

基于C语言的嵌入式软件的编写，这其中包括血压的计算、心率的计算、动脉弹性的计算、动脉顺应性的计算以及外周阻力和心搏量等参数的计算。

Because of the viscosity of fluid and non-existence of velocity potential, the symmetry of mass matrix, stiffness matrix and the coefficient matrix of the first order of system no longer exists, so the modal analysis of system becomes very complicated.

由于流体粘性的影响，流场有旋，没有速度势，所以系统质量阵、刚度阵以及一阶项的系数矩阵的对称性被破坏，从而使得系统的模态分析变得很复杂。

Valve flap jump or vibration frequency Was mainly due to large Spring Micro-Open Type Safety Valve spring stiffness.

阀瓣频跳或振动主要是由于弹簧刚度太大。

In this paper we proposed a hypothesis of difference fiber volume fraction and presented expressions respectively. The fiber volume fraction of unit cell is not equal to that of each lamina, which need calculate eachly. The paper also advanced conception of weighted average of three cell's stiffness.

本文提出了差别纤维体积分数的假设，各个纤维束的纤维体积分数与单胞的纤维体积分数并不相等，需要分别进行计算，并分别给出了各纤维束的纤维体积分数计算式；还提出了三单胞弹性模量按比例叠加的思想，并给出了比例计算式，计算出了结果。

Sub-harmonic resonance of a SDOF vehicle suspension system with nonlinear stiffness and nonlinear damping under harmonic excitation is investigated.

研究了具有非线性刚度和非线性阻尼的单自由度汽车悬架在简谐路面激励作用下的亚谐共振。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。