Conclusion Fibro capsule play a protection, support and nutrition role in surgical flap and also play a filled defect, elastic contraction role.

结论纤维囊对外科皮瓣起支持保护及营养作用，对于填补组织缺损和弹性回缩起一定作用。

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The superposition property of elastic wave's Doppler effect and the influence of relativistic time dilation and length contraction on elastic wave's Doppler effect are also discussed.

讨论了弹性波多普勒效应的叠加性质，并指出相对论的时间膨胀和长度收缩对弹性波多普勒效应的影响。

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According to elastic theory, this paper gives quantitative answers of stresses and deformations caused by the lateral contraction of longitudinal welding seam on the thin wall's cylinder.

利用弹性理论。给出了薄壁圆筒纵向焊缝的横向收缩引起的应力与变形的定量解答。

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