在静载作用下，结构构件非线性静力失稳的现象是十分丰富多彩的。
There are many non-linear manners when the elements losing the stability under static loads.
该内容涉及到超音速射流与障碍物或空腔体相互作用时出现的失稳状态下激波的振动和空腔体底部的反常加热问题。
This problem is related to the auto vibration of shock wave or abnormal heating, In the bottom of container when there is interaction between the supersonic jet and the obstruction or the container.
煤岩体在外载荷作用下发生失稳破坏时的一个重要性质就是其变形具有应变软化的特征。
An important characteristic of instability failure of coal and rock which is subjected to external loadings is that its deformation possesses property of strain softening.
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