Just as sound is a wave motion, light in the same sense, may be regarded as a wave motion.
正如声音是一种波动一样，光也同样可以看作是一种波动。
John Mitchell, an English physicist and astronomer, was inspired by it to put forward the first theories of wave motion in the earth.
约翰·米切尔，英国物理及天文学家，由此得到灵感并提出了第一个地球内部波动理论。
A cork floating on water is not swept along with the water. Rather, it moves up and down with the wave motion.
漂在水面上的软木塞没有随波流走。相反，它随波上下浮动。
The EB model is applicable to nonlinear and irregular wave motion in large area.
EB模型则可用于求解广阔海域内非线性不规则波浪的运动和变形过程。
It is noted that this is a quantum mechanical analogy of the stochastic wave motion.
指出它是随机波动过程的量子力学模拟。
This phenomenon, peculiar to the two - dimensional wave motion, is sometimes called diffusion.
二维波所特有的这种现象，有时叫做弥散现象。
This paper studies the wave motion in rubble mound breakwater by discarding the homogeneous assumption.
本文抛弃均质渗流假定，对抛石防波堤内波浪运动的问题进行了研究。
The harmonic analysis can reveal the characteristics of wave motion in various scales at different latitudes.
谐谱分析便于揭示不同纬圈上不同尺度的波动特征。
The theory of waves propagation in inhomogeneous damaged zone and inversion of wave motion equations are studied.
研究了波在非均匀损伤介质中的传播及波动方程的反演。
The inventive system can reduce gas pressure wave motion for maintaining stabilization of the pipeline gas pressure.
本发明的系统可减少气体压力的波动，用于维持管道气体压力的稳定。
Numerical test study about the stability and precision of the method is made by discussing the solution of SH wave motion.
对采用该方法求解点源出平面波动问题时的数值稳定性和精度进行了数值试验研究。
The numerical wave flume is an effective method in wave study and able to simulate the wave motion better while the NS equation is used.
数值波浪水槽是研究波浪问题的有效数值方法，采用考虑流体粘性的NS方程建立数值波浪水槽，能更好的模拟波浪在近岸的运动过程。
The results given by the present method are in good agreement with results from the linear wave theory which can not give the history of wave motion.
本文计算结果与线性波理论的结果很一致，但后者不能给出波运动的过程。
A 1d finite element method in time domain is developed, where the wave motion of free field in elastic half-space by SH wave oblique incidence is simulated.
提出了一种计算出平面SH波斜入射时弹性半空间自由波场时域计算的一维化有限元方法。
A local transmitting boundary is combined with a lumped-mass finite element technique to form a mechanical model simulating the near field steady wave motion.
本文将局部透射边界和集中质量有限元技术结合起来形成一个模拟稳态近场波动的力学模型。
The research results indicate that at a distance from the knocked end, the 3-d dispersed wave motion can be described approximately with 1-d fixed shape wave.
研究结果表明，在离开敲击端一定距离后，直管中激励出的三维频散波动可以近似地用一维定型平面波描述。
The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface.
水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
This paper analyses the filtering characteristic of rock by ultrasonic experiment results and demonstrates that the new model can be used to describe seismic wave motion.
文中通过超声实验分析了岩石的滤波特性，论证了新的模型用于描述地震波的传播是可行的。
The propagation characteristics of vibrational energy flow in circular cylindrical shell with finite region of material discontinuity are investigated by wave motion approach.
运用结构振动的波动方法对有限长的材料不连续区域在圆柱壳中的能量流传播特性进行了研究。
Introducing the complex viscoelastic modulus, visco-elastic wave equation has the similar form with elastic wave equation for harmonic wave motion, in case of linear viscoelastic.
在线性粘弹性假设条件下，通过引入复弹性模量，使粘弹性波动方程具有和弹性波动方程类似的形式。
In this paper, a discrete local transmitting boundary is combined with a lumped-mass finite element technique for simulating steady wave motion in the viscoelastic layered medium.
本文将离散的局部透射边界与集中质量有限元方法相结合，用于模拟粘弹性成层介质中的稳态波动。
A 1d finite element method in time domain is developed, which is used to calculate the in-plane wave motion of free field in elastic layered semispace by oblique seismic incidence.
提出了一种弹性水平成层半空间中平面内波动斜入射时自由波场时域计算的一维化有限元方法。
Vibration of structures assembled from one dimensional waveguides is studied as wave motion in this paper. Waves propagate along the waveguides and reflect, scatter at the junctions.
将由一维波导通过结点组装成的空间结构的振动作为波动研究，波沿波导传播，并在结点处反射、散射。
This paper reveals this law by engineering practice. Thence, it deepens the correlative understanding of the wave motion character of the reflected wave with the structure of pile body.
文章通过工程实践揭示了这一规律，从而深化了反射波波动特征与桩身结构特征的相关性认识。
Mechanism of the oscillation instability is then illuminated in frequency domain by amplification at the artificial boundary and multi-reflection of wave motion in a finite discrete model.
根据波在人工边界的放大效应和在有限离散模型中多次反射的概念在频域内阐明了这一常见的振荡失稳的机制。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
A 2-d numerical model of wave motion in lock approach channel is described, which is soluted by using the method of resultants of 2-d numerical model of unsteady flow and 1-d numerical model.
提出船闸引航道内水面波动的二维数学模型，采用二维非恒定流数学模型和船闸灌泄水一维数学模型联解。
A method for predicting the phase spectra of strong ground motion is presented based on the equivalent dispersion of wave motion and the approach for synthesizing ground motions is then studied.
本文在强震地震波频散研究的基础上，进行了强地震动场相位预测方法和多点地面运动时程合成方法的研究。
Numerical examples prove good accuracy of the artificial boundary conditions and wave motion input method, which can be easily used in study of problems of nonlinear wave motion in layered soils.
数值算例表明，所给出的人工边界与波动输入方法具有良好的精度，可以方便地应用于成层地基非线性波动问题的研究。
Numerical examples prove good accuracy of the artificial boundary conditions and wave motion input method, which can be easily used in study of problems of nonlinear wave motion in layered soils.
数值算例表明，所给出的人工边界与波动输入方法具有良好的精度，可以方便地应用于成层地基非线性波动问题的研究。
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