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一、摩擦的基本概念 (一)摩擦现象及研究摩擦学的重要性所有的机械运动过程中,在相对运动物体的表面或表层之间都存在着摩擦效应。由于摩擦,整个系统的运动学和动力学性质都
First, the basic concept of friction (A) the phenomenon of friction and the importance of research tribology All mechanical movement, the relative movement of objects in the surface or between the surface there is a friction effect. The kinematics and dynamics of the entire system are due to friction