计算结果显示，该结构撞击变形过程相对稳定，与修正的吸能和平均压塌力控制方程计算结果很接近；

The result shows that the bumping and deforming process are comparatively steady and the numerical result is very similar to the theory calculation result.

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本文对于薄壁件切削稳定性的研究现状进行了讨论，并分析了薄壁件加工过程中加工变形的影响因素。

This paper discusses the research state of cutting stability for thin-walled parts, and analyses the deformation factors in machining thin-walled parts.

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隧道施工过程中的围岩变形监测是掌握围岩的动态信息、确保施工期间隧道稳定性的重要手段。

Tunnel surrounding rock deformation monitor is an important method for holding information of surrounding rock and controlling tunnel stability in the period of construction.

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