通过实验数据分析了微机构外壳的材料和尺寸对动物肠道摩擦力大小的影响。
Influences of material and size of the shell samples of micro machine were analyzed.
摩擦力大小和方向的改变，将使因高温高压产生的较大载荷无法向远处扩散，从而引起油管局部严重变形。
The fiction can prevent large loads caused by high pressure and high temperature from spreading, which can result in severe deformation in a short part of tubing.
摩擦力会调整自身大小，使系统保持平衡。
The friction will adjust itself so that there is equilibrium if nothing is going.
这意味着PN必须,在大小上,与摩擦力相同。
So that means that N of P must be in magnitude the same as the frictional force.
此外，由于紧密的大小能达到高摩擦力的程度，可以通过选择不同的形状，使装置变得更小。
Moreover, by selecting different shapes, which owing to their compact size can achieve high degrees of friction, the device can be made smaller.
在实验中发现运动不仅与薄膜表面大小有关，而且与他们的形状也有关，形状影响产生摩擦力的程度。
Additional experiments found that it is not only the size of the film surfaces, but also their shapes, which influence the degree of friction generated.
值得注意的是，薄膜表面大小减少时，摩擦力程度增加，这是由于薄膜结构上的空穴所造成的。
It's remarkable that the degree of friction increases when the surface size decreases, as a result of holes being made in the structure of the film.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
加筋土结构的设计需要了解筋土界面特性，其中筋土界面摩擦力的大小及变化是进行结构稳定分析最重要的参数。
We should know the interface characteristics of reinforced soil to design the frame of it. The most important parameter is the magnitude and change of friction.
在一定程度上，轮轨间摩擦力的大小不是引起系统振动失稳的关键性因素。
The magnitude of the friction forces between wheels and rails are not crucial for the instability of the wheelset-track system in some degree.
在一定程度上，轮轨间摩擦力的大小不是引起系统振动失稳的关键性因素。
The magnitude of the friction forces between wheels and rails are not crucial for the instability of the wheelset-track system in some degree.
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