On the basis of static aerodynamic force tests and dynamic response tests, the galloping and (vortex-induced) oscillation performances of H-shaped booms were investigated.
通过节段的静力和弹簧悬挂动力试验，对H型吊杆的驰振和涡激振动性能进行分析。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
While impulse forces not acting on the centroid, the influence of accessional attack Angle oscillation amplitude, impulse force scale and function time interval on range correction was discussed.
针对非质心作用推力的情况，讨论了附加攻角振荡幅度、脉冲推力大小、作用时间间隔等因素对于修正距离的影响。
When you think about it, that's pretty amazing since I am applying the same peak force all the time - only the rate of oscillation is changing!
想想看，这真令人惊奇，因为我每时每刻都施加了相同幅值的力—仅仅是振荡速率改变而已！
Now if we measure the response on the plate we will notice that the amplitude changes as we change the rate of oscillation of the input force.
如果现在测量平板响应，会注意到当改变输入力的振荡频率时，响应幅值也发生变化。
This helps to prevent the forming of a twisting force that may set off an oscillation called flutter.
这有助于防止形成一个扭曲的力量，可能引发一振荡所谓的颤振。
This paper mainly introduces and discusses the experimental results of the forced oscillation excited by a non-sinusoidal periodic driving force.
在非正弦周期性外力作用下受迫振动的实验结果，并十分清楚地显示了受迫振动的较为完整的图像。
To state the restoring force of a simple pendulum during oscillation is the resultant force of the gravity of the ball and the pulling force of the thread is wrong .
常出现一些模糊认识，即认为单摆在振动中所受的回复力就是摆球所受重力与绳子拉力的合力，显然，这是错误的。
The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.
应用结晶器非正弦振动技术可以降低结晶器摩擦阻力，减少粘结性漏钢，同时大幅度降低高拉速时的结晶器振动频率。
This leads to the result that the work of force counteracts the work of damp force, and that the swing of steadily oscillation is the same.
正是有这一相位差，才使强迫力对振动系统所做的功正好抵消阻尼力对振动系统所做的负功，以保证稳定振动的等幅性。
In order to investigate the origin of the oscillation of friction force on the atomic scale, Molecular dynamics simulation is employed to research it from the period of the oscillation.
为了研究原子尺度下摩擦力波动现象产生的本质，利用分子动力学模拟的方法从摩擦力波动周期的角度对其进行探讨。
The results show that the second order wave force has an effect on the slow oscillation of the floating tower in surge direction.
计算结果表明，波浪的二阶作用对浮式塔的低频纵荡有影响。
There is a two rank oscillation factor in the numerator of transfer function because there exists flexible load in electrohydraulic force control system.
针对步进电机的输出力矩特征以及柔性负载的低频振动特性，提出一种抑制柔性负载振动的控制策略。
There is a two rank oscillation factor in the numerator of transfer function because there exists flexible load in electrohydraulic force control system.
针对步进电机的输出力矩特征以及柔性负载的低频振动特性，提出一种抑制柔性负载振动的控制策略。
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