Special attention has been focused on the instability phenomenon associated with crack propagation.
我们特别把注意力集中在裂纹扩张过程中的不稳定现象上。
An instability phenomenon of the current sheath implosion, namely the unstable mode, has been observed in the DPF 40 plasma focus device.
在DPF - 40等离子体焦点装置中，首次观测到径向运动电流壳层的一种不稳定现象，即不稳定模式。
A new dynamic instability phenomenon-secondary instability flutter-is found in the study of nonlinear aeroelastic response of heated panels in supersonic flow.
研究了超声速气流中受热壁板的非线性气动弹性响应，发现了一种新的动态失稳现象——二次失稳型颤振。
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