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摩擦系数主要受纳米管径的影响，还受表面粗糙度和弹性模量的共同影响。
Frictional coefficients were mainly related with nanotube diameters of specimens, next with surface roughness and elastic modulus of specimens.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数，则形状阻力系数与雷诺数无关。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
本文对反射系数测定值进行了初步的定量分析，讨论了实际金属表面的反射机理，从而导出测定值与实际表面粗糙度的关系。
The present paper analyses the measuring reflection coefficient and discusses the reflection principle on real surface of metalwork. The relation between measuring magnitude and roughness is th...
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