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。新收录的资料对此有专业解读
Now we’re talking! This is how a locomotive can pull a long train of cars with a much greater mass. The engine is pulling forward using steel-on-steel static friction, which is pretty high (0.74), giving it good traction. And the cars have a resistive kinetic friction force with a coefficient that is orders of magnitude smaller.
甲骨文计划裁员数千人,因AI数据中心扩张挤压现金流