振

We have established the basic equation of eigenspace assignment theory and obtained a preliminary control law of active flutter suppression .

建立了特征空间配置理论的基本方程，并针对某机翼的弹性运动初步设计了一个颤振主动抑制控制律。

This paper describes the characteristics of the construction technique of floating plate ballast bed for subway at home and abroad and sums up the experience for the reference to the similar construction technique based on the construction technique of floating plate ballast bed with continuous-casting in place-metal elastic buffer in a double-tracked horseshoe-shaped tunnel of Shengzheng subway.

本文通过对深圳地铁一期工程单洞双线马蹄形隧道内，连续-现浇-金属弹簧隔振器式浮置板道床施工工艺的阐述，同时综合国内外地铁浮置板式道床施工工艺特点，总结了一些经验和认识，以供类似工程施工借鉴。

The rolling friction coefficient,elastic resilience and ultimate strength of the three kinds of roller s are researched.

对3种材料制作的滚轴的滚动摩擦系数、弹性恢复力和极限强度进行了试验，并对3种滚轴的隔振效果进行了计算机模拟分析。

In this article, based on the mechanic model of throttle-slice, the bend deform differential equation is founded, the formula and coefficient of elastic throttle-slice bend deformation are created.

通过减振器节流阀片的力学模型，建立了节流阀片弯曲变形的微分方程，得到了阀片弯曲变形系数和在任意位置的弯曲变形计算公式。

It is established that one close channel will be thought in the partial wave cross sections of elastic collision and rotational excitation. Five close channels must be considered in the partial wave cross sections of vibrational and rotational excitation at least.

结果表明：在研究氦氢碰撞体系的弹性碰撞、纯转动激发时，可以只考虑1个闭通道的影响，但在研究振转激发分波截面时，至少要考虑5个闭通道，才能得到比较准确的计算结果。

According to elastodynamics theory, the dynamic model of machining the slender rod is founded by axial turn -milling, the calculation formula of the natural frequencies and the main vibration mode are ob- tained, and the dynamic response of the slender rod forced vibration is studied under simple harmonic excitation.

根据弹性体动力学理论，建立轴向车铣细长杆的动力学模型，得到了各阶固有频率和主振型的计算公式，分析了在简谐激励下细长杆强迫振动的动力学响应。

In the case of electrical motion, oscillation can start up quickly when small "L"and large "C1"

在电气运动中，当"L"较小和"C1"较大时能够快速起振。。

A decrease in the effects of electrical switching on torsional oscillation s of shafts during fast valving is advantageous to fast valving.

在快关过程中减小电气切换操作对轴系扭振的影响，是保证快关汽门顺利进行的积极措施。

If eyes with ultrasound, magnetic resonance imaging or electrical physical examination, and sometimes you can discover the site of the optic nerve lesions.

若以眼用超音波、磁振摄影或电气生理检查，有时可以发现视神经病灶的部位。

The modal test results about empty electrodynamic vibration shaker is used in the finite element model of frequency and vibration mode amendment.

对某型电动振动台进行了有限元建模，详细阐述了建模方法，并利用振动台空台的模态试验结果对有限元模型进行了频率、振型修正。

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。