属于拐点不稳定性的高频二次不稳定模态对最后转捩的影响主要体现在与其它扰动的相互作用，并导致出现紊流状态宽带频谱。

The main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state.

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本文介绍了由不同几何形状的进气扰动片和燃烧室产生的进气紊流和挤压紊流对直喷式柴油机性能影响的研究。

This paper reports the investigation of the effects of the intake turbulence and the squish turbulence on the performance of a D. I. diesel engine.

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