想想临界速度和大致的连通性。
这就是临界速度的意义所在。
小滚珠的临界速度，也许是每秒几百米。
Well, this critical speed for a small ball bearing would be some hundred meters per second.
下面是临界速度。
这两个临界速度都是试件厚度的函数。
Both Critical speeds are function of the thickness of the specimens.
滚珠的临界速度，是每小时100英里，低得多。
The critical velocity of the Karo syrup would be 100 miles per hour for a quarter-inch ball bearing.
塑料可以加强电枢并且增加其临界速度。
The plastic may stiffen the armature and increase its critical speed.
找出能隙消失的临界速度。
真的，临界速度，是错误的名字，但是我们就是这么叫的。
Really, it's a wrong name, critical velocity, but we give it that name.
实验结果表明：颤振临界速度提高了14%以上。
The experimental results indicate that the flutter critical speed increases by more than 14 percent.
最后分别针对挡板床和自由床分析了比临界速度与气泡的关系。
Relationships between the transition velocity and bubble diameter has been analyzed for beds with and without baffles.
对软梁-硬半空间系统，梁的剪切波速和压缩波速也是临界速度；
For soft beam-stiff half space system, wave speeds in beams are also critical velocities.
提出临界速度分析法和分路道岔预锁闭的概念，并建立了数学模型。
It puts forward a model and the concepts of critical speed analytical method and the advance locking, finding an advanced method in order to prevent the back side conflict in continuous humping.
不同刀具材料与工件材料的匹配在不同切削条件下有不同的临界速度。
There are different critical speeds with different cutting condition and different matching of cutter and work-piece material.
研究结果表明：该轨道车非线性临界速度较高，具有较大的稳定性裕度；
The research results show that the non-linear critical speed of the rail car is fairly high, with fairly big stability margin;
当液体沿固体表面的流速超过临界速度时，出现滑移，这样能实现减阻；
When the flow rate of the liquid slipping along the solid surface exceeds that of a critical speed, slipping will occur and drag reduction will be realized consequently;
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
现在，你可以问，如果不可能达到那个，速度，那么临界速度，在这里的意义是什么？
Now you could say, "Well, what is the meaning of this critical speed here if they never reach that speed anyhow?"
讨论了不同稳定距下，飞机滑跑时发生摆振的临界速度随垂直载荷的变化。
Finally, the critical velocity of shimmy varying with the vertical force during taxing was investigated in different caster lengths.
结合伯努里方程和临界牵引力理论，得到了基于临界速度的临界水力梯度公式；
Coupling the Bernoulli's equation and critical tractive stress theory, a critical hydraulic gradient model based on critical velocity is developed.
有限水深的条件下，在临界速度附近可以观察到浅水船行波特有的孤独波现象。
The phenomenon of solitary wave generated by the ship in shallow water can be observed.
风洞试验结果说明，采用颤振主动抑制控制系统后，机翼的颤振临界速度可提高37%。
The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.
通过数值计算和分析，给出了临界速度与冲击质量、线性强化模量及临界时间间的关系。
By numerical computation and analysis the relationship among critical velocity and impact mass, hardening modulus, buckling time was given.
对(次)硬梁-软半空间系统，梁的波速不再是临界速度，但也存在一个最小临界速度。
For (sub -) stiff beam-soft half space systems, wave speeds in beam are not critical any longer, but there is still a minimum critical velocity.
同时也分析了冲头对圆管碰撞时，导致圆管由弹性变形向塑性变形转化学的临界速度值。
We also analyse the critical velocity, at which elastic deformation translate to plastic deformation when the bullet impact the tube.
转向架采用弹性定位之后，优化的悬挂设计可以使机车车辆达到很高的稳定性临界速度；
The optimized suspension design can make the rolling stock achieve high critical stability speed after the elastic location being adopted for the bogie.
介绍了溶剂气冷却器振动原因是进口区域的横流速度大于临界速度，以及壳程结构不合理。
Investigation was showed that the vibration of solvent vapor cooler was caused by excessive flow velocity and improper shell structure.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
通过理论分析和数值计算，得到了临界速度与冲击质量、临界长度及线性强化模量间的关系。
The relationship among critical velocity and impact mass, critical buckling length, hardening modulus is given by using theoretical analysis and numerical computation.
研究流体的速度和压力对载流三维管道振动频率的影响，并且探讨管道失稳时流体的临界速度。
This paper deals with the influence of fluid velocity and pressure on vibration frequency of stereoscopic pipe, and investigates the critical velocity of fluid in unstable case.
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