超音速的飞机只允许在水上飞行，这样就只限于往返于被海洋隔开的富裕的国家——因为声震可以毁坏东西和给在地面上的人产生噪声。
Supersonic flights are allowed only over water-and are thus limited to connecting wealthy cities separated by an ocean-because sonic booms can damage things and annoy people on the ground.
打破音障时会产生音爆，所以超音速飞行在陆地上空有诸多限制。
Breaking the sound barrier generates a sonic boom, so supersonic travel is heavily restricted over land.
据NASA解释，飞机在超音速飞行时会产生延伸到地面的加压空气分子锥。
Airplanes flying faster than sound create a cone of pressurized air molecules that extends to the ground, as NASA explains.
在1995年，人们首次提出，长号能产生一种高能压力波，它的速度能略超音速。
It was first suggested in 1995 that the intense pressure waves, which can briefly exceed the speed of sound, could come from trombones.
声爆是当喷气式飞机超音速行驶时产生的巨大碰撞和摇动声。
A sonic boom is the loud crash and shaking that happens when a jet plane goes faster than the speed of sound.
之后产生的超音速震荡波及高热把地面的建筑物夷平，地面出现巨大弹坑。
After the supersonic shock wave and high fever buildings razed to the ground, a huge crater in the ground.
研究了在燃烧室入口马赫数为2的超音速燃烧中，液体射流所产生的振荡激波对强化超音速燃烧的作用。
An experimental investigation on effects of oscillating shock generated by liquid jet on reinforcement of hydrogen-fueled supersonic combustion in Mach 2 airstream was completed.
指出，当超音速飞行时，在前喷管附近的弹体表面上产生一个局部高压区，由此形成一个翻转力矩。
It is demonstrated that there exists a part of high pressure on the body surface of the rocket near the fore-located nozzles, thus forming a overturning moment.
由于冲击的角度是弹体角的一个影响因素，超音速飞机的机头都很尖、机翼前缘也很薄，以使产生的斜激波的角度尽可能地小。
Since the angle of the shock is a function of the body angle, supersonic aircraft have very sharp noses and leading edges so that the oblique shock wave is produced at as small an angle as possible.
一种是通过爆炸，即火苗以超音速向前移动从而产生剧烈爆炸。
One is via detonation, in which the flame front moves at supersonic speed and produces a powerful blast.
但使用超音速引射器后，当球罐压力下降到某一值时会产生高频噪声，影响管束区操作环境。
Then the supersonic ejector is used, the high frequency noise will take place when the pressure in store tanks decreases to a specific value, and the environment of.
结果表明：在激波诱导的高超音速湍流分离流中，激波结构是不稳定的，产生一个间歇区域。
The results show that the shock wave structure is unsteady in shock induced hypersonic turbulent separated flows, generating an intermittent region.
在超音速喷气式飞机所产生冲击波的作用下，飞机能强烈的挤压周围的空气，使得周围的水汽形成了云。
The shockwave surrounding a supersonic jet can compress air so much that the ambient moisture will form a cloud.
本文提出了确定气动窗口所需自由旋涡气动特性的过程，讨论了特征线方法在非对称超音速喷管设计中的应用，该喷管被用来产生自由旋涡流动。
In this article the procedures are described for determining free vortex segment properties. Characteristics method is used to design nozzle which produces free vortex segment.
而在超音速喷流中会产生喷流激波噪声。
When the jet is supersonic, there would bring the jet shock noise.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
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