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Through the research of the formation of the frame, it is found that the tilted frame is more stable than the ordinary one because the tilted column increased its lateral stiffness and thus its displacement and librations are decreased.

研究表明改变框架的几何形状，使外柱略微倾斜的办法可以增加结构的抗侧移刚度，获得较好的稳定性；从而相应地减小侧向荷载引起的位移和振动。

Air springs have strong nonlinear stiffness characteristic due to different bases and air spring bellows, which is a complicated vulcanized material of rubber and lining cloth.

由于气囊是由帘布和橡胶硫化而成的复杂结构体，以及底座形状的不同，使空气弹簧具有较强的非线性特性。

The aortic wall thickness and lumenal diameter had no significant change but obvious stiffness and calcification were found.

术后6个月切取带瓣管道见：带瓣管道无扩张、血栓形成、瓣膜粘连、增厚、狭窄及关闭不全等改变，带瓣管道管壁厚度和管腔大小与术前无明显变化，但管壁明显僵硬，有局限性钙化现象。

As a natural result, the mass matrix is a positive definite consistent and time-independent one, and the two time-dependent and nonsymmetric matrice, that is, the "gyroscopic damping" and "centrifugal stiffness" ones, don't exist in the equation.

在不附加任何&运动学&假设的情况下，作为自然的结果，方程的质量阵是正定、协调的常数阵；方程中不存在两类时变的非对称系数项，即所谓的&陀螺阻尼&项和&离心动刚度&项。

Considering of helical gear separate mesh and tooth-back shock, the non-linear vibration equitions of the system are also established, and the non-linear stable cycle solutions of the equitions are evaluated through dividing the timechanging stiffness matrics and dimension the equitions with selfadapt vary-step auto-RK4 numerical method.

考虑了斜齿轮传动的轮齿脱啮和齿后侧冲击，建立了系统的非线性振动方程，并通过对方程时变刚度阵的分块处理及无量刚化，用自适应变步长auto-RK4数值方法求出了系统非线性振动方程的稳态周期解。

Ther are three methos in calculating the foundation stiffness matrix by puting force on the element whether it is concentrated force or distributed force.

在计算地基刚度矩阵时，按施加在单元上的单位荷载是集中力还是均布力有三种计算方法：均布、近均布-远集中和集中。

Factors that could affect the stiffness of the steel girder, such as the magnitude of prestressing force and the vertical position of tendons at the mid-span are discussed in detail.

对影响钢箱梁刚度的因素诸如预加力的大小、预应力钢索的跨中垂度等进行了详细讨论。

When vertical distance at mid-span between tendons and neutral axis of the girder is increased, the stiffness of the girder is also increased.

钢索在跨中的垂度越大对钢箱梁刚度的提高越大。

Miracle-working doctor!. Guang-Hai Li later told people, large joints reset, avoid psychological stress of patients, local muscle contractions, stiffness, such as patients with pain reduction more difficult.

神医！。李广海事后对人说，大关节复位，切忌使病人心理紧张，局部肌肉收缩、僵直，如病人痛苦，复位就更难。

The coupling effect of both mistuning by non-linear dry friction scatter and by blade stiffness on system response was also studied.

同时对叶片的非线性干摩擦阻尼的散乱失谐和刚度失谐的耦合影响进行研究，总结含有非线性干摩擦阻尼的失谐叶盘系统的受迫响应规律。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。