The change in speed passed like a wave, backwards through the traffic.
这种变速的行为就像一个波浪一样，在整个交通中一直向后推移。
The air-sea interaction has certain effect on slowing down the phase speed of the wave.
海-气相互作用在减慢激发波的移速方面也有一定作用。
Detonation is propagation of a combustion-driven shock wave at or above the speed of sound.
爆轰是一种以冲击波为特征，以超音速传播的爆炸。
Ultrasonic wave bond and precision position at high speed are key technologies.
超声球焊和高速高精度运动定位技术是关键技术。
So the travelling speed of stress wave can be obtained.
从而得到应力波的传播速率。
As the speed is constant, when the frequency is increased, the wave length will.
因为速度不变，当频率增加时，波长就会减少。
Thee frequency, wave length, and speed of sound are closely related.
声音的频率、波长和速度三者是密切相关的。
The Rayleigh wave speed is very close to the shear wave speed.
瑞利波波速与横波波速极为接近。
The speed of wave is the distance it advances per unit time.
(波速是波在单位时间内前进的距离)。
The speed of wave is the distance it advances per unit time.
(波速是波在单位时间内前进的距离)。
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