... 二次PE方法：quadratic PE(Pseudo Elimination)method 二次不稳定性：secondary instability 二滩水电工程：Ertan Hydropower Project ...
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The results show that mechanisms of both resonant triad and secondary instability do exist.
结果表明，三波共振和二次失稳这两种机制都存在。
In this paper, secondary instability of subharmonic disturbances in Free Mixing -layer is studied with spatial mode.
用空间模式讨论了自由混合层三维亚谐扰动的二次稳定性。
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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