Based on the basic principle of large deformation body put forward by Chen Zhida, it is unreasonable to study large deformation tunnel with small deformation theory.
基于陈至达提出的大变形问题基础理论，指出了以传统小变形理论研究软弱围岩隧道大变形问题存在的弊端。
The thin thickness small diameter brass antenna casing is introduced and plastic deformation theory in tension fracture process is analyzed.
介绍了开发研制的黄铜薄壁小直径天线套管，并对拉伸断裂的塑性变形理论进行了分析探讨。
A method of calculating elastic curve for semiflexible plate wind tunnel nozzle has been presented, based on the linear theory of small deflection of beam deformation, in this paper.
本文基于梁弯曲变形的小挠度线性理论，提出了半挠性喷管挠性板弹性曲线的计算方法。
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