查询词典 wave motion

The discussion emphasizes particularly on some important issues closely related to the slow manifold of the atmospheric motion such as properties of the balance dynamics, the spontaneous emission of inertia gravity wave from balance flow, theory and application of PV inversion and the relation to initialization issue of numerical model. Moreover, an overview of the history and the state of the art of researches in this field are given to provide domestic researchers of relevant topics a clue for the understanding of general picture of this field and entering into specific research issues.

文中侧重于讨论与大气运动的慢流形密切相关的一些重要问题，包括平衡运动或平衡流的性质以及它对惯性重力波的自发辐射、PV反演理论和应用、与数值模式初始化问题的联系等，并对上述研究领域的研究历史和现状也进行了较为全面的综述，旨在为国内气象界相关方向的研究者提供了解该领域概貌并较快切入具体研究问题的线索。

The discussion emphasizes particularly on some important issues closely related to the slow manifold of the atmospheric motion such as properties of the balance dynamics, the spontaneous emission of inertia gravity wave from balance flow, theory and application of PV inversion and the relation to initialization issue of numerical model.

文中侧重于讨论与大气运动的慢流形密切相关的一些重要问题，包括平衡运动或平衡流的性质以及它对惯性重力波的自发辐射、PV反演理论和应用、与数值模式初始化问题的联系等，并对上述研究领域的研究历史和现状也进行了较为全面的综述，旨在为国内气象界相关方向的研究者提供了解该领域概貌并较快切入具体研究问题的线索。

It is shown that photoelectron spectra at different delay-time reflect the population in different electronic states. We could not only inspect the periodicity of vibrational motion in neutral states, but also map the vibrational wave-packet propagation in corresponding internuclear coordinate.

计算显示出在不同延迟时间下的光电谱反映了电子在不同电子态上的粒子数，我们不但可以观测到中间态上的振动情况，还可以进一步记录振动波包在相应核间距上的运动情况。

The ion motion in such an electric field is derived,and the stability of ions is presented in the a-q diagram which is commonly used for sinusoidal wave quadrupole mass spectrometry in association with the solution of Mathieu Equation.

本文推导了离子在矩形波四极场中的运动规律，并以常用于正弦波四极场的马绍方程参量a，q来表出离子的稳定性。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。

The particles constituting the medium perform only small vibrations, but the whole motion is that of a progressive wave.

我们所观察到的波的运动是一种物质的状态的运动，而不是物质本身的运动。

The influence of the photon with non-zero rest mass was calculated on the motion equations of electromagnetic wave.

这些检验大多数是在平直时空下，以重电磁理论为理论基础的，而重电磁理论最直接的结论之一就是重光子在真空中的色散效应[1]。

And the results are checked in terms of motion's equations in time domain at joints and wave-front arriving time.

通过节点在时域中的力平衡条件和波前到达时间验证计算结果的正确性。

Wave power first attracted interest in the 1970s, when Stephen Salter of the University of Edinburgh devised a device that converted the motion of waves into electricity.

对海浪能的兴趣始于上世纪七十年代，当时英国爱丁堡大学的斯蒂芬·沙特教授设计了一个能够将海浪的动能转变为电能的装置。

Because ship rolling is the heaviest motion of a ship in waves,it is important to study ship rolling modeling and prediction in order to improve ship s seaworthiness and wave-resistance.

船舶横摇运动是对船舶航行影响最大的运动，研究船舶横摇运动的建模与预报对于提高船舶适航性、耐波性有重要意义。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。