The rolling friction is substituted for sliding friction results in a considerable reduction in friction.
如果滚动摩擦代替了滑动摩擦，摩擦力将大大减少。
The fine grain and narrow HAZ were found in friction stir weld and the dynamic recrystallization produces fine grain.
焊核区由于动态再结晶具有细小的等轴晶粒，旁边存在一个特殊的组织形貌——热机影响区域。
If you step anywhere other than your big toe, you'll quickly feel a difference in friction andhave to make the necessary adjustment.
这样一旦用除大脚趾以外的任何部位踩点，你都会迅速感觉到摩擦力的不同然后要做出调整。
A thin Cu coating was deposited on both sides of AZ31 magnesium alloy to be joined to study the material flow in friction stir welding.
在AZ31镁合金待焊表面镀一层很薄的铜层来研究塑性材料的流动情况。
This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift.
该摩擦力的非线性改变使速度产生变化，导致人们在搭乘液压电梯时产生不舒适感。
With the increase of the translation velocity of the pin, the flow of the material in friction stir welding becomes faster but the equivalent plastic strain decreases.
随着搅拌头平移速度的增加，垂直于焊缝方向上的截面上，等效塑性应变减小，但是材料的流动速度会随之增加。
The results show that the wavelet denoising method can effectively restrain the noise in friction and sudden unbalance signal, and reserve the fault character information in the signals.
结果表明：小波分析降噪方法能够有效抑制碰磨和突加不平衡信号中的噪声并保留故障特征信息。
On the load increased, but not sensitive to changes in friction coefficient, so heavy, the friction coefficient is extremely small, and the same long-term accuracy can have long-term mechanical life.
对负荷增大，但磨擦系数无敏感变化，因此重负荷下，磨擦系数极小，并且长期保持精度不变，可得机械使用寿命长期保持。
Through friction, this flexing produces heat in the moon's interior capable of melting ice.
通过摩擦，这种弯曲在月球内部产生了能够融化冰的热量。
The legs, which are slightly curved with tiny hooks on the tips of their feet to provide enough friction to enable movement in a slippery environment.
它们的腿有点弯曲，脚尖上有小钩，提供足够的摩擦力，使它们能在湿滑的环境中活动。
The generation gap can result in misunderstandings and cause friction between parents and children.
代沟会导致误解，引起父母和孩子之间的摩擦。
Wind movements are also modified in cities because buildings increase the friction on air flowing around them.
风向在城市里也会改变，因为建筑物增加了它们周围流动的空气的摩擦力。
We know in life that friction takes kinetic energy out.
我们知道在生活中，摩擦力抵消动能。
It simulates the intrinsic friction that is present in the traditional throttle cable as it passes through the cable housing.
理论上来说，这正是模拟了传统油门控制方式中油门线在刹车套管中动作时产生的摩擦力。
The humidity could change in the room and that could change the friction coefficient.
室内的湿度会随时变化,这对摩擦系数影响很大。
This study showed that an increase in the coefficient of friction between the ball and the foot caused the ball to acquire more spin.
这项研究表明，脚和球之间的摩擦系数的增加导致了球获得更多的角动能。
Absorbency properties in the fabric help keep the skin dry and cool, providing further protection against friction and shear.
纤维的吸水特性有助于保持皮肤干爽凉快，为避免摩擦力和剪应力的伤害提供了进一步的保护。
The slightest motion of a patient in bed creates friction between skin and sheets and results in loss of cells from the skin's outermost layer.
卧床病人最轻微的活动就会在皮肤和床单之间产生摩擦力，结果就会引起皮肤最外层脱落。
The whole idea is that you can use the friction of the hair against itself in the knot, and whatever it is tied around will support the weight of the prince.
基本想法就是，无论你绑上什么，你都可以利用头发自身的摩擦力来承受王子的重量。
So you saw in a striking example of where friction helped us to balance, and now I want to discuss an object that is hanging and that can freely swing due to gravity.
这就是著名的靠，摩擦力平衡的例子，现在我想讨论一个，可以在重力作用下，自由摆动的悬挂物体。
However, what you overlook, then, is that the maximum friction has also gone up, and so we have to evaluate this now in comparison with the maximum friction.
但是，你们忽略了，最大摩擦力，也跟着增加，现在我们要将其，和最大摩擦力比较。
That should allow you to calculate the static friction coefficient and you'll get a chance to do that in your third assignment.
这样一来，请计算静摩擦系数，它将作为你们第三次作业的，一部分。
It is both essential and desirable to have a certain defined degree of friction in these electronic gas pedal assemblies.
对于这种电子油门踏板装配来说，摩擦力必须能够达到要求。
If the object is in pure roll, the friction could be substantially less than the maximum friction possible.
如果是纯滚动，摩擦基本上，小于可能的，最大值。
What will the friction be, how large, and in what direction?
那摩擦力是多少，什么方向？
If there is no friction at all in this bar, then...
若这棒上没有摩擦力，那么。
The maximum friction has this little m in it, and that's independent of d.
最大摩擦力和m有关,和d无关。
I wondered if there was any friction in the team, and he laughed, assuring me that everyone on the team works well together.
我想知道在团队中是否会有矛盾，这时他笑了，对我保证说团队中的每个人在一起都工作得很好。
At sports events, if white and black are present, they support opposing sides and the result is friction - so much so that in many grounds only whites are allowed.
在体育赛事中，如果白人和黑人都在场，他们会支持各自一方，结果就会发生磨擦——这种磨擦如此之在以至于有些场地只允许白人进入。
At sports events, if white and black are present, they support opposing sides and the result is friction - so much so that in many grounds only whites are allowed.
在体育赛事中，如果白人和黑人都在场，他们会支持各自一方，结果就会发生磨擦——这种磨擦如此之在以至于有些场地只允许白人进入。
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