An automobile could not move itself without the aid of friction.
没有摩擦力的作用，汽车就不能前行。
How much is the coefficient of friction between the tire and ground?
轮胎与地面间的摩擦系数是多少呢？
The coefficient of friction for that same tire in mud would be almost zero.
同样的轮胎在泥泞的地面上，其摩擦系数可能几乎为零。
This revolution has been achieved with only a modicum of friction (see article).
这一变革取得成功所受阻碍极少（见有关文章）。
That never changes if there is no air drag or air friction of any kind.
它未曾变过,如果没有空气阻力,或任何摩擦力。
I told you that the friction coefficient is independent of the mass of the object.
我讲过，摩擦系数，与物体质量无关。
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。
However, if we make use of the friction, then we can have a stable situation.
若我们利用摩擦力，就能得到稳定状态。
The advantage of rolling bearing is that they cause less friction.
滚动轴承的优点是它产生的摩擦力较小。
On approaching the shore, waves break because of the same friction effect.
海浪近岸时会受到同一的摩擦力效应而分解。
The friction between program and existing space became the main driver of the architectural design.
该项目和原有空间之间的冲突成为建筑设计的主要动力。
Finally, the total friction force of the PSS is measured.
最后，对系统的摩擦力进行了测试。
It causes the skate board get rid of the friction and move forward.
造成滑板往克服了摩擦力而向前运动。
Change of negative friction in pile with consolidation time is simulated by finite element method.
采用有限元方法模拟了基桩负摩阻力随着固结时间的变化。
It is shown that the friction loss is about 60 percent of the total loss.
研究结果表明：磨擦损失功率约占整机机械损失功率的60％。
Nowadays, there are many types of equipment to measure the friction of pavement.
目前用于路面及机场道面摩擦系数检测的设备数量众多，类型各异。
A As already stated, friction is one of source of heat.
正如已谈过的，磨擦作用是一种源。
Lower friction factor, in avoid of damage of hull.
降低摩擦系数，保护船体不受损伤。
The material of metal friction often is much bigger than the molten plastic.
这些物质对金属材质的磨擦力往往比熔融塑料的大得多。
Thee efficiency of the machine is higher because there is less friction.
由于摩擦力较小，这台机器的效率更高了。
Then, the effect of pile head vertical load value on negative skin friction is analyzed.
对桩顶荷载大小的影响进行了研究。
Adhesive friction, as of a wheel on a track or a tire on a road.
使用冬季专用车胎在泥地或雪地上可增加附着摩擦力。
Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
计算了层流状态下扭曲椭圆管内的流动与换热情况。
Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
计算了层流状态下扭曲椭圆管内的流动与换热情况。
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