以下为句子列表：
英文: In the case of 16 boundaries, cubic B-spline function taken as trial function, the solutions to nonlinear stability of truncated conical shells and spherical shells with variable thickness were obtained by the method of point collocation.
中文: 在16种边界条件下，以三次B样条函数为试函数，用配点法计算变厚度开顶圆锥壳和球壳的非线性稳定。
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英文: This paper conducts a study of nonlinear stability behavior of a long-span prestressed concrete rigid-frame bridge at cantilever construction stage respectively by means of buckling, collapse theories and 3D nonlinear digital models, discusses the stabili
中文: 摘要分别采用屈曲理论和压溃理论，利用三维非线性数字模型，研究了悬臂施工阶段大跨度预应力混凝土刚构桥的非线性稳定行为，探讨了同类桥梁悬臂施工阶段的稳定性，得出了一些有益的结论。
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英文: With cubic B-spline function taken as trial function, the solution of nonlinear stability of a revolving shallow shell with arbitrarily variable thickness was obtained by the method of point collocation in order to solve the convergence of a shallow shell
中文: 摘要为解决计算矢高特大的扁壳的收敛问题，以三次B样条函数为试函数，用配点法计算了任意变厚度的旋转扁薄壳的非线性稳定。
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