音速的

Unlike in subsonic and transonic speed regimes, the interference resulting from the finite size of the test region is seldom present.

不像在亚、跨音速区域，这里因试验段尺寸有限造成的干扰是难得存在的。

Unlike in subsonic and transonic speed regimes, the in terference result in g from the f in ite size of the test region is seldom present

不像在亚、跨音速区域，这里因试验段尺寸有限造成的干扰是难得存在的。

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。

The material is especially suitable for manufacturing the skin of supersonic speed transport aircraft and aerospacepiston and components of aero-engine with the working temperature of 650-1000℃.

特别适合于制造超高音速运输飞机和航空航天飞机的蒙皮以及航空发动机工作温度为650-1000℃的部件。

For any further increase in velocity higher than the speed of sound, flight noise does not increase significantly.

在高于音速时，速度上进一步的增加并不会显著地增大飞行的噪声。

Thermal cracking and catalytic cracking of lab prepared endothermic hydrocarbon fuel NNJ 150 over USHY, HZSM 5 and SAPO 34 catalysts were studied.

吸热型碳氢燃料是为解决高超音速飞行器的冷却问题而立题研究的。

A design for an advanced body shape for transonic flow is one of the key problems in research, in and out of China.

跨音速先进气动外形的设计是国内外研究人员都十分重视的问题之一。

A design for an advanced body shape for transonic flow is one of the key problems in research, in and out of Chin...

跨音速先进气动外形的设计是国内外研究人员都十分重视的问题之一。

A study on the effects of aspect ratio is presented for a transonic fan by numerical method.

摘 要：使用数值模拟方法，对比研究了三个采用不同大小动叶展弦比设计得到的高负荷跨音速风扇的性能。

However, becauce of the complexity of the problem itself and the computer restrictions, the study of transonic combustion is far from perfect.

由于跨音速燃烧问题的复杂性及计算机条件的限制，这一部分工作尚有待于进一步完善。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。