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In chapter 5, heat mechanism and heat radiating forms of the hydraulic system faults are studied. Based on relationship between degree of the hydraulic system faults and thermal image shapes, multi-scale entropy of temperature field is taken to express the fault degree. Entropy of low frequency means its absolute temperature, and entropy of high-frequency means distribution of temperature field.

同时针对系统故障程度的不同，提出了用温度场的熵进行表征的思路，通过多尺度小波对原热场图像进行小波变换，提取其中低频分量的熵用来衡量其绝对温度大小，提取高频分量的熵来衡量其温度场的分布，给出了实验结果，通过实验结果分析，证明这种分析方法是可行的。

Instability of two-dimensional jets has been studied by numerical analysis and experiments based on the theoretical framework of absolute and convective instability.

在绝对／对流不稳定理论框架下，从粘性方程出发系统分析了二维均质射流稳定性。

In addition, the absolute/convective instability is studied, and the governing region in the parameter plane is declared. It is shown that the absolute instability may become predominant when the electric field or the surface tension is sufficiently large.

另外，研究了单流体射流的绝对和对流不稳定性，在参数平面上给出了它们的控制区域，发现在电场强度足够大或表面张力足够大时，射流可能由对流不稳定状态进入绝对不稳定状态。

Problems of urbanization are widely noted and studied, not only because of their absolute magnitude but also because of their visibility.

城市化的问题正在受到广泛的注意和研究，不仅因为这些问题十分重要，而且非常突出。

In this thesis, absolute stability of Lurie control systems is studied.

中文摘要：这篇硕士论文研究了型控制系统绝对稳定问题，重点讨论判定其零解绝对稳定的几种常用的方法，得到了绝对稳定的一些充分必要条件或充分条件及代数判据。

Additionally,the robust absolute stability of interval Lurie control systems is also studied.

同时还讨论了区间 L urie直接控制系统和间接控制系统的绝对鲁棒稳定性。

The absolute stability of neutral delay systems with sector-bounded nonlinearity is studied.

研究了具有扇形有界非线性的中立型时滞系统的绝对稳定性。

The parameters studied include mass ratio, initial relative impact velocity, absolute mass and relative acceleration.

研究参数包括质量比、初始相对碰撞速度、绝对质量和相对加速度。

Unsteady flow field due to rotor-stator interaction in turbomachinery is studied in this paper. The integral kinetic equations with absolute and relative velocity are derived.

本文以叶轮机械内部动静部件耦合的非定常流场为研究对象，在绝对坐标系下建立了包含绝对速度与相对速度的统一运动方程组。

The effect of the molecular weight and mass content of PEG on the absorbability of PEG-Semi-IPN-P was studied.

研究了聚乙二醇分子量和质量含量对PEG-SPIN-P吸液性能的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。