1.
P waves move faster than S waves.
纵波波速大于横波。
2.
Wave speed equals frequency times wavelength.
波速等于频率乘以波长。
3.
The higher modes have shorter periods than the fundamental mode and, moreover, they have higher velocities.
高振型波比基阶振型波周期短，波速高。
4.
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。
5.
fanned beam antenna
扇形波束天线扇形波速天线
6.
Test Method of Measuring S-wave Velocity of Rock by V-Shaped Groove on Specimen
刻槽法拾取岩样横波波速的试验方法
7.
Discussion of Pseudo Rayleigh Wave?s Velocity and Amplitude in Full Waveform Well-logging,
声波全波列测井中类瑞利波速度及幅度的讨论
8.
By theoretical analysis of several electronic wave spee d, it is concluded that the electronic wave speed is virtually the information sp eed to build up the timespace image of electron.
通过对几种电子波波速的理论分析，得出电子波波速实质上是电子建立时空形象的信息速度。
9.
Supersonic or ultrasonic meter
超音速（波）测速仪
10.
acceleration cancelling hydropone
消加速度海洋检波器
11.
helix accelerator
螺旋波导直线加速器
12.
PIN microwave high-speed switching antenna
PIN微波高速开关天线
13.
Detection wavelength was 260 nm,flow rate 0.7 mL/min.
检测波长260nm;流速为0.7mL/min。
14.
Harmonic drive reducers
GB/T14118-1993谐波传动减速器
15.
general purpose harmonic drive reducer
通用谐波传动减速器
16.
a linear accelerator that uses microwaves.
用微波的线性加速器。
17.
the rate of flow of radiant energy (electromagnetic waves).
辐射能流动速率（电磁波）。
18.
standing wave linear resonance accelerator
驻波线性谐振加速器