激波

A computational aeroacoustics approach is applied to studying sound propagation in subsonic and supersonic nozzle.

采用计算气动声学方法研究了管道近音速区的声传播和声波与激波的相互作用问题。

Numerical simulation to three-dimensional turbulent flow in multistage axial compressor blade row is carried out, where high resolution third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent flow correctly, and LU-SGS implicit method is chosen to improve computation rate. A nicety and high efficiency numerical simulating system is thus constructed.

对多级轴流压气机叶栅内三维紊流流场进行数值模拟，采用高精度高分辨率的三阶ENN格式以保证对激波的捕捉和对紊流特征的正确模拟，利用LU-SGS隐式解法提高了计算速度，从而构成了一种既准确又高效的多级跨声速轴流压气机紊流流动数值求解系统。

The debris for Tycho is distributed in clumps rather than knots as in Cas A, and its outer shock wave can be seen in smooth and continuous arcs rather than being fragmented, as in Cas A.

第谷遗迹中的残片呈团块状分布，而非 Cas A 中的扭结，而其外侧的激波也不象 Cas A 那样破碎，而是呈现出光滑连续的圆弧。

The characteristic of breakup and atomization procedure of axisymmetrical dissemination of liquid in motion is investigated.

在实验室条件下利用组合式激波管设备，对运动状态下液体轴对称抛撒进行了实验研究。

Besides, we also discussed the instability of shock wave, the differences between thermal model and non-thermal model, chromospheric cendensation and comparisons with the observations.

文中并就环顶激波的不稳定性、热模型和非热模型的大气演化差异、热模型下色球加热的可能性、色球压缩区的性质、以及与其它模型相比较等方面进行了讨论。

I had to write about the theory of shock from the diagrams he left on the paper napkins; I had to describe the movements of the astral bodies and demolish the Einsteinian conception at the same time.

我得根据他留在纸餐巾上的图表写出激波理论，同时还得描述爱因斯坦的观点，这一切只得到二十五法郎。

Research on the Over critical and Overflow at Variable Conditions of Marine Steam Turbine;2. Strongly total domination edge critical graphs;3. This paper measures the critical energy of detonation of hydrocarbon fuel(butane,naphtha,pentene,hexene,JC5) and air mixtures using Bruceton method in the rectangular shock tube.

该文在矩形激波管内采用布鲁塞顿法测定了丁烷、石脑油、戊烯、己烯、JC5等碳氢燃料与空气混合物形成爆轰时所需的临界起爆能，并根据所测定的临界起爆能的大小，分析比较了这几种碳氢燃料的相对爆轰敏感度及相应的安全性能，最后讨论了分子量，分子中键的饱和度和分子结构等因素对碳氢燃料临界起爆能及相应的安全性能的影响。

This paper measures the critical energy of detonation of hydrocarbon fuel(butane,naphtha,pentene,hexene,JC5) and air mixtures using Bruceton method in the rectangular shock tube.

该文在矩形激波管内采用布鲁塞顿法测定了丁烷、石脑油、戊烯、己烯、JC5等碳氢燃料与空气混合物形成爆轰时所需的临界起爆能，并根据所测定的临界起爆能的大小，分析比较了这几种碳氢燃料的相对爆轰敏感度及相应的安全性能，最后讨论了分子量，分子中键的饱和度和分子结构等因素对碳氢燃料临界起爆能及相应的安全性能的影响。

And typical time scales for the evolution are derived. in agreement with observations. In this scenario the heat front is likely to move into the cloud faster than the secondary shock driven by the pressue of the intercloud medium. An implication.

这些结果可以运用到年轻超新星遗迹（如CasA、Kepler）里云的蒸发，得到与观测相符的演化的典型时间尺度；在这些情形里，热传导前沿可能比压力驱动的次级激波在星际云里前进得更快。

We investigate the linear stability of a shocked accretion flow onto a black hole with the following procedures: First, we study the stability in the inviscid isothermal limit.

我们按如下步骤研究了含激波的黑洞吸积流的线性稳定性问题：首先，我们研究无粘滞的等温吸积流。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！