Under the subway vibration mechanical model of the permanent deformation of loess research.
地铁振动下黄土永久变形力学模型的研究。
As a result the mechanical properties of the cartilage are altered and resistance to deformation is lowered.
结果是软骨的机械性能发生改变，对变形的耐受力下降。
Some new secondary phases precipitates after hot deformation. The mechanical properties of the alloy after deformation treatment are improved.
合金在变形处理后有新的第二相析出，且合金的力学性能有很大提高。
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