It is for the propagation of longitudinal waves that the buckling of the structures takes place and grows.
正是由于具有局部特征的应力波传播，引起结构局部或整体发生和生长。
This paper discuses the problem of application of the longitudinal waves to layered dielectric waveguides.
讨论在分层介质波导中采用纵波的问题。
The relation between speed of longitudinal waves and spring parameters has been known theoretically and it has been verified by our experiment.
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。
Moreover, according to occultism, astrological forces are vibrations which are transmitted to earth via an infinite number of longitudinal waves through the ether.
此外，依照神秘主义，占星的作用是波动变化的，是通过一个无限大的数字的经度波动浪穿透空间传输到地球上。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
本文建立了在纵浪上航行船舶的非线性参数激励横摇运动方程，研究了当升沉固有频率接近横摇固有频率时船舶的稳定性。
A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域，可以有平行于表面传播的纵波声束存在，但是需要与相应的滑行集散波相互衔接。
The longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.
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 analysis uses two waves of data from the "National Longitudinal Study of Adolescent Health" and the "Adolescent Health Academic Achievement Study."
分析者从两组数据进行研究"纵向的研究全国范围内的青少年健康”和“青少年健康学术研究”
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
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。
The effect of velocity on the longitudinal motion of SWATH ship in irregular waves is researched.
分析了航速对SWATH船在不规则波中迎浪纵向运动响应的影响规律。
The result shows that the static coupling of longitudinal motions to the rolling equation is not exist, the coupling between them is mainly caused by waves.
结果表明，纵向运动对横摇的非线性静力耦合作用不存在，它们之间的耦合主要是由波浪引起的。
Propagation characteristics of longitudinal ultrasonic guided waves of steel rod embedded in infinite medium are studied in theory.
从理论上分析高频纵向超声导波在埋于无限大介质中钢杆传播的特性。
This paper deals with the problems of longitudinal motion stability of SW ATH ships moving in still water and of the motion control of SWATH ships in waves.
本文讨论了SWATH船静水中纵向运动稳定性和其在波浪上纵向运动消减的最优控制问题。
This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves.
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。
Our theoretical analysis produces the dispersion curves of longitudinal modes of ultrasonic guided waves in liquid-filled pipes with viscoelastic coatings.
理论分析得到了带粘弹性包覆层充液管道中纵向模态的频散曲线。
The wave velocity test of longitudinal and transverse waves in the construction site was one of the in-situ testing methods that was effective in engineering investigation in recent years.
工程场地纵、横波波速测试是近年来在工程勘察中取得一定效果的原位测试方法之一。
The relations between the longitudinal and transversal waves, the wave velocities of rock mass and rock were also described in it.
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。
Setting accelerator sensors on related positions of knee joint, we collect a series of longitudinal sound waves which knee joint sending out in motion.
本文将加速度传感器置于膝关节的相关部位拾取到膝关节运动时发出的一系列纵向声波。
The subtle interactions between magnetohydrodynamics and high-frequency plasma waves involving transverse and longitudinal modes are investigated.
本文研究了磁流体力学与高频等离子体波(包括纵横模式)之间的精巧的相互作用。
Axially symmetric longitudinal mode guided waves are more sensitive to the circumferential crack defects, which is basically consistent with the theoretical analysis.
轴对称的纵向模态导波对于周向裂纹缺陷较为敏感，这与模拟结果比较接近。
The axial stresses in a group of bolts tightened on a joint of bridge truss were measured by using both longitudinal and shear ultrasonic waves.
本文利用纵横波相结合的方法对九江大桥联接螺栓的施拧轴力进行了群检测量。
The bi-refraction based this energy overlap mechanism should be more interesting for electronic waves in which there exists only the longitudinal polarized mode.
特别是对于仅有纵模式偏振的电子波来说，这种双折射效应相信会有更深刻的意义。
The principal difficulty encountered in applying elastic or electromagnetic waves to the earth media is the poor longitudinal resolution of monochromatic holography.
指出对地层介质使用弹性波或电磁波时，关键问题是纵向分辨力低。
According to the simulated numerical results, the longitudinal mode guided waves at different frequencies were excited in the experiments.
参照数值计算结果，实验中采用不同频率激励纵向模态导波。
In the experiments, two-wave construction of compression-shear waves that propagated into the materials were observed clearly, the longitudinal and transv…
其它位置上量计的测试曲线亦反映了材料对压剪波传播的动态响应特点，可以看到剪切波的衰减规律。
In the experiments, two-wave construction of compression-shear waves that propagated into the materials were observed clearly, the longitudinal and transv…
其它位置上量计的测试曲线亦反映了材料对压剪波传播的动态响应特点，可以看到剪切波的衰减规律。
应用推荐