木板哪怕沾了一点水，局部的摩擦系数就会改变。
A little bit of water on the plank would locally make the friction coefficients larger.
在10,000 ~ 90,000的高雷诺数范围内，测量了流动摩擦系数、局部和平均对流换热系数。
In high Reynolds number range of 10,000 ~ 90,000, the flow friction factor, local and average convection heat transfer coefficients were determined.
分析了主离合器摩擦片的磨损具有沿径向非均分布的特点，指出摩擦片在使用过程中，局部高温和材料软化是产生磨损的重要原因。
The wear of friction wafers in main clutch features uneven radical distribution. In the operation of friction wafers, high local temperature and material softening are important reasons causing wear.
摩擦阻力的变化趋势与速度类似，在产生逆向流处出现局部极小值。
The variation of local friction coefficient is similar to velocity and local minimum value occurred in reverse flow area.
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.
并且针对摩擦力的局部性特点，提出了一种新颖、快速的辨识算法，以保证在芯片或嵌入式处理器上实施。
Aming at the local feature of friction, a new type and fast speed identification algorithm is proposed to guarantee its implementation on chip or embedded processor.
通过有限元模拟，进一步研究了整形温度、摩擦系数对最大载荷的影响规律，为此类零件的局部精整工艺制定提供了理论参考。
Then the FEM simulation was applied to study the influence of friction factor and initial forging temperature on maximum forming force, which provided reference on finishing process for similar parts.
通过有限元模拟，进一步研究了整形温度、摩擦系数对最大载荷的影响规律，为此类零件的局部精整工艺制定提供了理论参考。
Then the FEM simulation was applied to study the influence of friction factor and initial forging temperature on maximum forming force, which provided reference on finishing process for similar parts.
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