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1·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。

2·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。

3·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。

4·Acute coronary syn-drome is a serious manifestation of coronary artery disease. Traditionally it is classified as unstable angina, non Q wave and Q wave infarction.

急性冠状动脉综合征为冠心病常见和严重的表现，它包括不稳定性心绞痛、无Q波心肌梗塞与Q波心肌梗塞。

5·The amplification factor of the maximum amplitude of the wave packet is much smaller than the most unstable normal mode.

同时发现波包的幅值放大因子远小于最不稳定单色波。

6·In this paper, we introduce the cause of unstable tracking at low-elevation and analyze the fact that surface reflected wave entering antenna mainly causes multi-path effect.

文章分析了多路径效应下的雷达互扰方程，并与未考虑电磁波多路径影响的雷达互扰方程的结果做比较。