一份新的研究表明，三月份在日本造成巨大灾害的地震和海啸，其强大的振动波几乎已经到达地球外层空间。
The giant earthquake and tsunami that devastated Japan in March were so strong that their vibrations almost reached space, a new study says.
这些晶体通过对声子进行操控来工作；声子是一种振动波，可以携带声音或热量，具体携带什么则取决于其频率的高低【 译者注：声子是晶体点阵振动能的量子 】。
The crystals work by manipulating phonons, or vibrational waves that can carry either sound or heat depending on the frequency.
一种叫地震仪的仪器把这种反射来的振动波转送到记录器上。
Instruments called seismometers relay these reflected vibrations to a recording instrument.
研究了圆柱壳中较高阶周向模态结构振动波的频散特性，得到了相应的频散曲线。
Dispersion results of the structural vibration waves of higher order circumferential modes in cylindrical shells are calculated, and corresponding dispersion curves are obtained.
凸形地貌对振动波的放大系数随相对高程增大而增大，而随爆源比例距离增大而减小。
The amplified coefficient of vibration wave blasting is augmented with relative altitude, but decreases with the scale distance of explosive in protruding topography.
应用振动波传播理论引出加速度衰减系数的概念，并对加速度衰减系数的试验结果进行了分析。
Using theory of vibration wave propagation, the concept of the attenuation coefficient of vibrating acceleration is drawn, and the test results of attenuation coefficient are analyzed.
通过对采集的振动信号进行小波多分辨率分析和FFT谱分析，得出被测结构振动响应包含的各频率对应的振动波形曲线。
Through wavelet analysis and FFT analysis to the collected structure vibration signal, the vibration wave curves and analysis results of different frequencies are acquired.
目的探讨高频正弦波振动对模拟失重条件下大鼠比目鱼肌萎缩的对抗作用。
Objective To study counteracting effects of high frequency vibration on simulated weightlessness-induced atrophy of soleus muscles in rats.
目的：研究记波扫描声带振动图在嗓音疾病诊断中的意义。
Objective:To research the significance of videokymography for vocal fold vibration in diagnosis of voice diseases.
从而为进一步研究径向力波对电机结构振动的影响奠定了基础。
Thus it lays the foundation to the electrical machinery structure vibration influence for the further studying of the radial force.
引入冗余照明的概念，以实现波带板的空间相干照明以及降低束线对光源不稳定性及元件振动的要求。
The concept of redundant illumination is introduced to ensure the coherent illumination of zone plate and reduce the effect of source instability and element vibration.
当这些压力波撞击海床时，会产生一种频率为0.01赫兹的连续振动，而对我们人类而言这个频率太低了，所以根本听不到，但却很容易被地震仪侦测到。
As these waves pound against the sea floor, they generate a constant vibration with a frequency of about ten millihertz, much too low for humans to hear but easily detectable with seismometers.
针对电机振动信号的频谱特点，提出基于小波神经网络技术的电机故障模式识别与诊断的新方法。
A novel method of pattern recognition and fault diagnosis in electrical machine based on the wavelet-neural network is proposed according to the frequency spectrum characteristics of vibration signal.
气体中形成波的振动叠加在这种无规则热运动上。
The vibrations which constitute a wave in a gas superposed on the random thermal motion.
本文还对各种表面格波中的原子振动方式作了一定的描述。
In addition, this Paper describes the atomic vibration in different surface lattice waves.
利用地面和车载测试系统，对列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车风、隧道口微气压波和隧道壁面振动加速度等参数进行测试。
Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.
不同形式的波在结构中传输时携带着不同的振动能量。
Various wave types propagating in structures carry different vibration power.
压力波的频谱分析表明在高装填密度装药中，采用第二种点传火方案能削弱和抑制压力波的高频振荡成分，改善其振动特性。
The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.
振动信号能量在局域波时频分布中的变化，是局域波法诊断齿轮磨损故障的特征。
The energy variation of vibration signals is the features of gearbox-case fault diagnosis.
采用波传播分析方法，讨论了外部敷设粘弹性自由阻尼材料的无限长圆柱壳在流场中受径向简谐激励的振动功率流。
Employed wave propagation approach, the vibrational power flow of a submerged infinite cylindrical shell coated with unconstrained viscoelastic layer excited by a radical harmonic force is studied.
声子晶体能够产生完全的弹性波禁带，可以阻止声波或者振动在其内部传播。
Phononic crystal can give rise to complete acoustic band gaps within which sound and vibrations are forbidden.
利用JGYW 2型双单摆振动示波装置对两个相互垂直方向的同频率欠阻尼振动的合成进行了实验研究和理论分析，得到了欠阻尼振动合成的部分图形和表达式。
The synthesis of under-damping vibrations with the same frequency at two mutual vertical directions is studied and investigated using Model JGYW-2 double-single vibration apparatus.
一旦建立了孤波，磁场方向的振动频率高达每秒十亿次以上。
Once the soliton is established, the magnetic orientation oscillates at more than a billion times a second.
振动的幅度依赖于引力波的强度。
The size of the vibrations depends on the strength of the gravitational wave.
结论：正弦波的振动负荷可以影响培养关节软骨细胞的代谢。
CONCLUSION: Vibration loading at a sinusoidal waveform can affect the metabolism of cultured articular chondrocytes.
分别根据工程防护和工程爆破理论，对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究，有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。
Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.
分别根据工程防护和工程爆破理论，对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究，有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。
Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.
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