从而可以得到应力波的传播速率。
从而得到应力波的传播速率。
次要波传播的更慢，发生在P波之后。
Secondary waves travel more slowly and arrive after the P-waves.
在阀门前设置蓄能器。以减小冲击波传播的距离。
Accumulator in front of valve. To reduce the distance of shock wave propagation.
但是现在在电磁波的例子中，传播的是哪一类变化呢？
What kind of changes are now spreading in the case of an electromagnetic wave?
电磁波传播的速度和光一样。
爆轰是一种以冲击波为特征，以超音速传播的爆炸。
Detonation is propagation of a combustion-driven shock wave at or above the speed of sound.
对弹性波在损伤介质中的传播理论进行研究。
The theory of elastic wave propagation in damaged media was studied.
波(能量)在地球中传播的路径和方向。
The path or direction along which wave energy propagates through the Earth.
本文研究了波在暖电离层中的传播。
The wave propagation in the warm ionosphere is studied in this paper.
研究了爆炸应力波在混凝土介质中的传播规律。
The propagation of the blasting stress wave in concrete was studied.
内波不仅可以沿着水平方向传播，而且还具有垂向传播的特性。
The internal waves can propagate along the level direction and the perpendicularity one.
对弹性波在非均匀介质中传播时的波幅进行了研究。
Elastic wave transmission in a continuous inhomogeneous media is studied.
光能以人眼无法看见的波的形式传播。
Light energy is an energy that travels in the form of invisibie.
表面波是一种沿两媒质之界面传播的波。
A surface wave is one that propagates along an interface between two media.
能量的传播是弹性波的一个重要特征。
The energy transmission is one of the important characteristics of the elastic wave.
光具有波粒二相性，我认为是与光的传播有关。
Light has wave-particle two-phase, I think, is related to the spread of light.
对于长波长的波，传播速度是常数。
对于长波长的波，传播速度是常数。
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