查询词典 vibration period

The effects of material imperfection on period vibration of the spherical shell are discussed.

讨论了材料的缺陷参数对球壳产生周期振动的影响。

According to the lateral deflection equation of the wall frame-structure ,an exact flexibility matrix is developed first and, then, the natural period and vibration mode of the wall-frame structure is defermined in this paper. According to actual earthquake action, the structural response is calculated with statical analysis.

本文在框架-剪力墙侧移公式的基础上建立结构的柔度矩阵，确定结构的自振周期和振型，采用静力方法按实际的地震作用分布计算结构的作用效应，然后采用振型分解反应谱法对结构进行抗震分析。

According to the result, the natural period of vibration of this bridge is long. This proves the suppleness of suspension bridge.

从结果来看，该桥的自振周期较长，第一阶振型对应的周期达到了2.19秒，体现了悬索桥的柔性结构的特性。

Methods According to vibration theor y the relationship between the period of a torsional pendulum and the moment of inertia of a part is established and the test method is given.

根据振动理论建立了零部件单摆振动周期和转动惯量的关系，给出了实际测量方法。

2The liquefied lenticle mainly has the effect of isolation on the building with short period and the effect of the vibration isolation increases with the increasing of the thickness, depth and width of the sand lenticle.

取建筑物为短周期结构，考虑了透镜体宽度、厚度，埋深以及输入地震动类型、幅值对结构加速度反应的影响。

In the narrow, single color machines, which run at the highest speed, the sley movement is spread over 140° to prevent excessive vibration, which leaves a dwell period of 220°.

对于窄幅、单纬色片梭织机，织机的运转速度最高时，可将筘座的运动时间增加到140°，这样就防止了过度的振动，这样剩下的停顿时间是220°。

In the narrow, single color machines, which run at the highest speed, the sley movement is spread over 140oto prevent excessive vibration, which leaves a dwell period of 220o.

对于窄幅、单纬色片梭织机，织机的运转速度最高时，可将筘座的运动时间增加到140o，这样就防止了过度的振动，这样剩下的停顿时间是220o。

It can collect the vibration state parameters of bridges according to presetting period and triggering condition.

现场应用情况表明，系统具有实时性强、可靠性和准确性高、可移植性好等特点。

Jump for the most common eyelid orbicularis oculi muscle of the "little muscle vibration syndrome", each jump a few seconds to several minutes; normal circumstances as long as a period of time after the automatic recovery, but also close your eyes a rest look, or deposited his eyes with hot towel, as well as with a balanced diet and adequate sleep, to shorten the eyelid beating time.

跳为最常见的眼睑眼轮匝肌的&小肌肉振动综合症&的肌肉，每几秒钟到几分钟的时间，如在一段时间内维持正常情况下，自动恢复后跳，也闭上你的眼睛休息一下看看，或用热毛巾存入他的眼睛，以及均衡饮食和充足的睡眠，以缩短眼皮跳动的时间。

With the increase of vibration frequency, the variation process of Jacobi matrix eigenvalue was calculated. According to the position of eigenvalue crossing the unit circle in the complex plane, the stability of fixed point of the map was discussed and the route from periodic motion to chaos via period-doubling bifurcation was received.

以振动频率为控制参数，计算得到映射Jacobi矩阵特征值的变化曲线，根据其穿越复平面单位圆的位置，分析了映射不动点的稳定性，获得了碰撞运动通过典型的倍周期分岔通向混沌的过程。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。