1.
Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials--Pulse-tube method
GB/T5266-1985水声材料纵波声速和衰减的测量脉冲管法
2.
P waves move faster than S waves.
纵波波速大于横波。
3.
Normally the shear velocity is about half of the compressional velocity.
一般地说横波速度大约是纵波速度的一半。
4.
Noise Effect on Defect Identification in Pipes by Ultrasonic Longitudinal Guided-Wave
噪声对管道超声纵向导波损伤检测的影响
5.
Com parison of the Traveling-wave Ultrasonic Motor with the Ultrasonic Motor Using Longitudinal and Torsional Vibration Model
行波型超声电机与纵扭型超声电机的比较
6.
Testing study on relativity between longtudinal wave speed and density of sandwich rock
地基层状岩石纵波波速与密度相关性试验研究
7.
4. Designing the universal measure and control system of USM;
4．介绍了纵扭复合型超声波电机的测控系统。
8.
Study on Some Problems of the Hybrid Longitudinal-Torsional Ultrasonic Motor;
纵扭复合型超声波电机的若干问题研究
9.
Cylindrical Traveling Wave Ultrasonic Motor Using Longitudinal Sandwich Transducers
纵振夹心换能器式圆筒型行波超声电机
10.
Experimental study of ultrasonic longitudinal wave measuring dynamic elastic modulus of frozen soil
超声纵波测量冻土动弹性模量的试验研究
11.
Circumferential Guided Waves Testing for Longitudinal Defects in Small Tubes
小口径薄壁管中纵向缺陷的周向超声导波检测
12.
Measurement of Applied Stress in Aluminum Alloy by Longitudinal Waves
超声纵波法测试铝合金内部的载荷应力
13.
Theoretically, the velocity of a P wave can be calculated.
理论上讲，纵波的速度是可以计算出来的。
14.
And the phase velocity of fast wave will decrease exponentially with frequency.
快纵波的相速度随频率的增大以指数形式减小。
15.
Comprehensive Parameters of the Velocity of Seismic P-wave and S-wave to Identify Sequence Boundaries
应用地震纵横波速综合参数识别层序地层界面
16.
Unsteady Transonic Flow Computation for a Wing with Control Surface Deflections by Euler Equations
跨声速机翼操纵面非定常气动力Euler方程计算
17.
Visco-acoustic transmission waveform inversion for velocity structure in space-frequency domain
频率域粘弹性声波透射波形速度反演
18.
Application Origin 7.0 software to experimental data of the sound velocity of ultrasonic
利用Origin7.0软件处理超声波声速实验数据