声速

So the heroic lamb flies from the atmosphere Antarctic at a supersonic speed,who thencorrects them with a photoelectric lactic synthetically.

故此，英勇的小羊从南极的大气层以超声速飞来，并用一个综合的光电策略观纠正了他们。

The performance of hardware and algorithm of supersonic PIV system were analyzed.

分析了超声速PIV系统的硬件及算法应具备的性能。

In this project, some new techniques to enhance supersonic mixing layer are studied by the numerical method.

本项目利用数值模拟手段，对超声速剪切层混合增强的新方法进行了探索。

The test results indicated that the strength of concrete could be estimated by supersonic velocity values.

结果表明由超声波测试得到的声速值可以方便地估算出混凝土的强度。

In this paper,the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.

1 前言各种介质的声学特性主要由声速、声衰减、声阻抗等参数来描述，这些量统称为介质的声学特征量。

Partial structure similarity model design concept is a better method for composite flutter model design, which can be applied to design transonic flutter model for aircraft wing and tail plane.

部分结构相似设计方法是一种较为实用的复合材料颤振模型设计方法，可用于飞机机翼、尾翼的跨声速颤振模型设计。

This paper emphasized on the investigation and comparison of two different methods of acoustic velocity thermometry in gas medium,as well as an analysis of their advantages and disadvantages respectively.

本文着重对气体介质中声速测温的两类测量方法进行了研究和比较，分析了其各自的优势与不足。

It is an advanced technology. In all these methods,acoustic velocity thermometry based on the acoustic travel time is a better one with a wider use.

而在声学测温的各种方法中，基于声波传播时间的声速测温方法又是一种比较好的、应用更广泛的方法。

The principle of thermocouple thermometry was used for temperature measurement and the pulse-echo technique for ultrasonic velocity.

温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。