在震中区，纵波使地面上下颠动。
In Zhenzhong Qu, longitudinal wave to the ground moving from top to bottom Britain.
一般地说横波速度大约是纵波速度的一半。
Normally the shear velocity is about half of the compressional velocity.
理论上，多波勘探肯定优于单纯的纵波勘探。
Theoretically multi-wave exploration is certainly superior to pure P-wave exploration.
快纵波的相速度随频率的增大以指数形式减小。
And the phase velocity of fast wave will decrease exponentially with frequency.
我们收集了渤中凹陷一条剖面的纵波速度资料。
The basic field data are P-wave velocity values collected along a seismic profile conducted in the Bozhong Depression.
而慢纵波的速度则和孔隙度和流体的密度成正比。
And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.
利用纵波和横波的衰减确定裂缝位置的一种声波测井方法。
An acoustic log that USES the attenuation of compressional and shear waves to locate fractures.
在仅考虑纵波传播的情况下，寻出了撞击力-压入位移关系。
The relationships between dynamic contact force and indentation are derived in the case of longitudinal wave propagation.
试验结果表明，以上因素都不会对超声波纵波检测产生很大影响。
The test results indicate that the above factors do not have much effect on ultrasonic longitudinal wave testing.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
通过弹性和非弹性的碰撞，发射纵波光学声子，半导体中发生准。
Thequasi equilibrium relaxation occurs via elastic and inelastic scattering and the emission of longitudinal optical phonon.
纵波不能在固体表面存在，在固体表面存在的是相应的滑行集散波。
The longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.
滑行集散波由于激发泥浆纵波而受到的损耗，要由纵波声束给以补充。
The energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.
通过对超声纵波声速的测量来评定船用TA2钛合金的平均晶粒尺寸。
Ultrasonic velocity measurements have been used to estimate average grain size in TA2 ship titanium alloy.
采用面-面接触模型模拟了纵波在一维岩体中的传播，给出了纵波波形；
The propagation of P-wave in one-dimensional rock masses is analyzed according to plane to plane contact model.
采用该传感器测试了激光超声表面波、兰姆波和纵波，获得了很好的波形。
The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.
爆炸震源的地震纵波是脉冲性质的。周期振动是地震脉冲引起的次生振动。
A primary seismic wave from an explosive source is a pulse response, and its periodic vibration originates from seismic pulses.
为了探测yc地区裂隙型储层特征，在该区进行了纵波源三分量数据采集。
Three component data acquisition with compressional wave source was applied to YC area for predicting fracture reservoir characters.
介绍了两种常用的材料薄层超声表征方法———纵波脉冲回波法和兰姆波法。
This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves.
地震所引起的地面振动是一种复杂的运动，它是由纵波和横波共同作用的结果。
Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.
本文分析了超声波探伤纵波检测的误差来源，评定了在探伤过程中的不确定度。
This paper deduces the errors sources from the process of ultrasonic longitudinal wave testing and evaluates its uncertainty.
文章还统计了纵波和横波、岩体波速和岩石波速的关系，可供选用指标时参考。
The relations between the longitudinal and transversal waves, the wave velocities of rock mass and rock were also described in it.
以纵波形式借由固体、液体或气体传播的物理扰动。声波是由振动的物体产生。
Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas. A sound wave is generated by a vibrating object.
得到了弹簧上纵波传播速度与弹簧参量间的理论关系，并从实验上进行了验证。
The relation between speed of longitudinal waves and spring parameters has been known theoretically and it has been verified by our experiment.
滑行纵波系由纵波声束、负指数滑行集散波和正指数滑行集散波三种成份所组成。
The gliding longitudinal wave contains three parts, longitudinal wave beam, negative exponential gliding ivro-tational wave and positive exponential gliding irrotational wave.
介绍了利用劈形楔块作波型变换，达到用纵波探头测量材料横波衰减系数的方法。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
本文介绍了两种目前常用的材料薄层超声表征方法——纵波脉冲回波法和兰姆波法。
This paper introduces two methods of ultrasonic characterization of thin layers: pulse-echo and Lamb waves.
利用弯曲振动试验、纵波传播试验、纵波共振试验测定刨花板的动态抗弯弹性模量。
The dynamic deflection moduli of particleboard were measured by flexural vibration. longitudinal transmission and longitudinal resonant vibration.
P波有时被看作纵波，因为它们以更快的传递速度穿越地球内部，因此最先被地震监测站台发现。
P-waves are sometimes known as primary waves, because they travel faster through the Earth and so are the first to arrive at monitoring stations.
结果表明，纵波速度与变形能系数关联度最大，纵波速度能较好地反映冻土的爆破性。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
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