公路几何设计，公路线形设计 Geometric design of highways 几何稳定性 Geometric stability 几何形不稳定结构 Geometrically unstable structure ..
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Stability geometric 几何稳定
geometric criteria for stability 稳定性几何判据
Stability of geometric inequalities 几何不等式的稳定性
The geometric stability analysis of structure is the primary job of morphological analysis.
结构的几何稳定性分析是形态分析的首要工作。
参考来源 - 基于共旋坐标法索杆张力结构的非线性有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The geometric stability analysis of structure is the primary job of morphological analysis.
结构的几何稳定性分析是形态分析的首要工作。
Numerical calculation process to obtain the tangent stiffness matrix of structure is deduced and geometric stability of different types of structures are analyzed.
推导了铰接杆系结构切线刚度矩阵较为简便的计算生成过程，便于在编程中实现。
The results show that the geometric stability criterions can resolve the limitation of experience design and ensure safety and rationality of folding structure design.
结果表明，按照所提出的方法，解决了在进行折叠结构设计时靠经验来判别其几何稳定性的局限性，保证了折叠结构设计的安全性和合理性。
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