振动的

And combined with field test of the chain belt vibration, the generation condition of the chain belt vibration and crawling was explored.

结合对铸型机链带振动的现场测试，探讨铸型机链带振动和爬行产生的条件，为铸型机振动和爬行的控制提供依据。

The influences of the circumambience soil on the vibration of dynamic equipment foundation are simulated, which reveal that the circumambience soil has a remarkable effect on the foundation vibration and almost has no effect on the vibration of isolation platform.

模拟了动力设备基础周围土体对振动的影响，计算结果表明，动力设备基础周围土体对基础的振动影响较大，但对隔振台座的振动几乎没有影响。

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先从理论和数值模拟研究了天然气在水平井油管柱内的流动诱发油管柱振动的机理，然后在合理假设的基础上结合某水平井数据建立了全井段油管柱无阻尼和有阻尼振动系统模型，利用有限元软件计算分析了油管柱固有特性、稳产简谐动力学响应和非线性动力学响应，针对油管柱振动规律提出了天然气安全调节频率范围和减振措施。

In this paper, the origin, propagation and attenuation of environmental vibration is studied by both test and theory method, so that we can evaluate and forecast the environmental vibration produced by elevated railroad traffic according to practice.

本文就高架轨道交通引起环境振动的发生机理及振动的传播和衰减规律进行实测及理论分析研究，以便对高架轨道交通引起环境振动进行切合实际的评价和预测。

Finally we consider the half-linear neutral delay dynamic equation A comparison result for the oscillation between the equation and a first order delay dynamical inequality is established.

在本章最后，考虑半线性中立型时滞动力方程建立了方程的振动性与一个一阶时滞动力不等式振动性的比较结果，在此基础上，给出了方程所有解振动的几个充分条件。

Vibration is oscillatory motion resulting from the application of oscillatory or varying forces to a structure.

振动摆动由振动或作用在机构的力的变化引起振动的摆动。

According to thermoelastic deflection of the V-shaped titled beam, the forth-factorially partial differentiation equation is used to describe the dynamic performance. Then the natural frequency and the mode of the actuator are obtained through analyzing of free vibration modal.

根据硅微致动器V型斜梁热弹性应力变形，推导出弯曲振动的四阶偏微分方程，通过其自由振动模态分析，得到了斜梁弯曲振动的各阶固有频率和振型。

Proceeding from the kinetic equation, the occurrence of muscular fibre spontaneous oscillation is explained in a natural way, the period of isotonic spontaneous oscillation and the oscillation curves are consistent with experimental data, and some new theoretical results are presented.

从动力学方程出发，肌纤维自发振动的发生条件得到了自然解释，所给出的振动周期和振动曲线同实验结果相符，并给出了一些新的理论结果。

In order to obtain the environmental vibration's characteristics of attenuation with distance and that of frequency in test study, a good many of tests is carried out on propagation and attenuation of environmental vibration for typical zone of the Pearl Line.

在实测研究方面，为得到高架轨道交通引起环境振动的距离衰减规律以及振动衰减的频率特性等，针对上海市明珠线高架轨道交通的典型线路区段，进行了大量环境振动实测及其传播和衰减规律研究。

This paper makes analysis on the vibration of the bearing block of the small gear caused by the unbalance, the disalignment of the erection of the vibrating coupler , the unreasonable erection of the gears, the loosening of the bolts and the vibration of the bearing itself, etc.

重点对由不平衡、振动联轴器装配不同轴、齿轮装配不合理、螺栓松动及轴承本身振动等造成小齿轮轴承座振动的原因进行了分析，并提出了相应的治理措施。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。