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。

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。