The high unstable wave components can be excited quickly with increasing the shock strength, and this speeds the medium mixing.

激波强度的增加促使高波数不稳定模态很快被激发，从而导致了不同介质的混合。

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The following conclusions are obtained: 1. the density wave in an unstable area develops a finite continuous oscillation.

得到如下一些重要结论：1。不稳定区域密度波振荡为有限的持续振荡。

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The regularity of the change of the unstable oscillation wave form and the structure of the power spectrum were analysed.

计算并绘出了非稳区域边界，分析了非稳振荡波形变化规律及其模结构。

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The prime minister, coasting on a wave of sympathy after an attack by a mentally unstable man in December, had hoped his People of Freedom (PdL) movement might oust up to five centrist and left-wing governors.

ECONOMIST: A farcical failure to register candidates in time