声波

当球面声波由介质1进入介质2时，如果波速c1

A spherical sonic wave propagates from medium 1 to medium 2 . If the wave speeds c1

讨论了声波测试法、PPV安全判据等几种常用爆破损伤确定方法与控制标准。

Some commonly used measuring methods and controlling criteria of blasting-induced damage such as sonic wave testing and PPV safety criteria are presented , and some related problems are discussed .

短声波即使遇到小物体都会产生回音。

Short sound waves bounce off even small objects .

如此高频率的声波是无法听到的。

You can 't hear waves of such a high frequency .

他用微型声波发射器开启了门。

He activated the door with the miniature sonic transmitter .

语音是由不同频率和强度的声波组成的。

Speech is made up of sound waves that vary in frequency and intensity .

耳朵里有一组细丝能和进入的声波产生共振。

The ear has a set of filaments to vibrate in resonance with incoming sound-waves .

像蝙蝠一样，它们发出声波，然后根据收到的回音来了解周围的环境。

Like bats , they send out sound waves and make sense of their environment from the echoes they receive back .

声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。

Sound waves , light waves , and radio waves have a certain frequency , or number of waves per second .

麦克风将声波转换成电信号来传输。

The microphone converts acoustic waves to electrical signals for transmission .

声波不能在真空中传播。

Sound waves cannot travel through a vacuum .

这就确凿地证实了振荡的本质是次光球层的低频声波本征模式。

This firmly establishes the nature of the oscillations as low acoustic eigenmodes of the subphotospheric layers .

“我打个响指，它就会发出声波。”

" When I make a clicking sound , it makes sound waves . "

一旦他们碰到前面的物体，声波就会返回到手套上。

As soon as they hit the object in front , the waves will return to the glove .

麦克风将声波转化成电信号进行传播

The microphone converts acoustic waves to electrical singals for transmission .

声波在真空里不能传播。

Sound waves will not travel through a vacuum .

NI测控技术在水下声波测控中的应用

Application of NI Test and Control Technology on Underwater Sonic Wave DAQ

岩石中声波衰减的复合Q模型

A Composite Q Model for Acoustic Wave Attenuation in Rock

将研制的换能器用于声波CT检测中，对混凝土质量进行评价。

The transducer developed was used in the CT detection of acoustic waves , and the quality of concrete was evaluated .

采用PZT薄膜的体声波RF滤波器设计

Design of a RF Bulk Acoustic Wave Filter Using PZT Thin Film

[目的]观察器械侧向压力（load）和根管锉的工作磨损（wear）对超声锉和声波锉切削效力的影响。

[ Objective ] To investigate the influence of lateral load and file wear on cutting ability of sonic or ultrasonic endodontic instruments .

双巷声波CT采集系统是矿井煤层构造探测的实际应用系统。

Two gateways sound wave CT system is the system that can actually be applied in detecting the structure in coal seam .

基于CPLD的声波相控圆弧阵控制逻辑设计

Design of Arc Phase Array Acoustic Transmitter Based on CPLD

第三，采用f平面、非静力平衡、滤声波模式，讨论了中尺度垂直环流非线性摄动分析及演变方程。

Third , we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f-plane .

利用线性抽样方法重建Dirichlet边界条件声波散射区域

Linear Sampling Method for Reconstructing the Acoustic Scattering Region with Dirichlet Boundary

而BP神经网络的研究和在声波法炉膛内切圆流场监测中的仿真模拟及实验验证，则使声波监测技术的在线应用更加具有现实意义。

The investigation on BP neural networks and the simulation on monitoring dynamical field in a furnace with acoustic method make acoustic monitoring technology more practical .

关于声波逆散射问题的Factorization方法

The Factorization Method in Inverse Scattering Problems

对于地震物理模型或岩石声波特性测试，使用夹心式复合PZT换能器较为理想。

In seismic physical modelling or rock sonic-character testing , the use of the sandwich structure composite PZT will be more suitable .

BGK模离子声波的实验研究

The experimental research of BGK mode 's ion acoustic wave

该软件由三部分组成：①测试系统（MS），可对声波测试过程进行实时监控并采集全波列数据；

It consists of three main parts : ( 1 ) Measuring System ( MS ) & real time monitoring the en - tire process of the acoustic wave measurement and acquisition of acoustic wavetrain ;