The gravity fracture surface sliding model with self-affine fractal character is established.

构造了具有自仿射分形性质的重力型断裂面滑移模型；

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The dynamic character of gravity fracture surface sliding is considered and the stiffness criterion of fracture surface sliding is proposed.

研究了地质断裂面滑移的动力学行为，获得了断裂面滑移失稳的刚度准则。

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Scientists now believe that some of the force of friction is due to attraction between the molecules of one surface and those of the surface sliding over it.

现在科学家们认为有些摩擦力是由于物体表面的分子和另一物体表面游动的分子之间的吸引力所引起的。

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Menchov was still sliding along the wet surface as his mechanic jumped out of the team car and took another bike from the roof.

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He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.

NEWYORKER: Among Animals and Plants

He suggests training on a slide board in socks sliding from side to side on the slick surface to work the thigh muscles.

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