longitudinal wave

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However, the relationship among longitudinal wave velocity, Young's modulus and peak stress presented different variation according to the type of rock.
而纵波波速与弹性模量、峰值应力的关系则依赖于不同的岩石而表现出不同的规律。
The cumulative effect of blasting rounds illustrates that the weaken zone lies in the crack area; and its damage is attributed to the effect of longitudinal wave and transverse wave.
而爆破循环的累积影响效应表明，弱化带位于裂隙区，其损伤是纵波和横波共同作用的结果；
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。

a wave moving in the same direction of travel as the vibrations (= fast movements backwards and forwards) of the particles of the substance through which it is travelling

a wave that is propagated in the same direction as the displacement of the transmitting medium &rarrcompare transverse wave

纵波
In this paper,on the basis of Biot’s dynamic theory,the isolation of one cavity array as barrier for plane fast longitudinal wave is investigated in saturated soils in a homogeneous unbounded space.
在Biot饱和土波动理论的基础上,用单排孔列作为屏障,对全空间饱和土中入射平面快纵波进行了隔离分析。
机械工程
纵波
By the beam deflection technique based on surface shape change effect, a laser ultrasonic detector is developed. Lamb wave, surface wave and longitudinal wave aredetected.
研制了基于表面形变效应光偏转的激光超声测试仪，用其测量了Lamb波、表面波及纵波。
纵向波