... 鞍结分岔saddle-node bifurcation 次级分岔secondary bifurcation 跨临界分岔transcritical bifurcation ...
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Secondary bifurcation branch 第二次分枝
secondary bifurcation buckling 二次分岔屈曲
secondary bifurcation point 二次转向分岔点
The two kinds of nonlinear buckling (primary buckling and secondary bifurcation buckling) of elastic arches are elaborated in detail.
本文详细阐述了拱的非线性屈曲的两种形式，即极值点屈曲和二次分叉屈曲；
For a secondary bifurcation buckling load, the limit load carried capacity of the arch of 0.1 rise-span ratio is the biggest one under a full span load distribution.
全跨均布荷载作用下，矢跨比0.1的拱极值点屈曲和二次分岔屈曲极限承载力均大于其他拱。
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