振动的

It is the frequency of the Earth's vibration.

它是地球振动的频率。

The sensor shall be located at nacelle height, ecce ntric to the tower axis.

振动的监控必须连续进行，并将结果和限值比较。

This paper focuses on mathematical model of vibrations of ferromagnetic materials under magnetisation.

探讨如何建立描述正弦电磁场中铁磁材料振动的数学模型。

Based on deformation assumption and Mindlin first order shear deformation theory, a finite element method was proposed for free vibration analysis of the composite sandwich plates with debonded damage along the face/core interface.

基于Zig-Zag变形假定和Mindlin一阶剪切理论，提出了具有面板和芯体开裂损伤复合材料夹层板自由振动的有限元分析方法。

Finite element model is made with finite element analysis software and the dynamic characteristics of an existing footbridge are analyzed.

针对一出现较大振动的人行天桥，利用有限元分析软件建立了计算模型并进行了动力特性分析，同时对结构进行了动力测试。

The effect of unbalance distribution on a large rotor s frictional vibration behavior has been studied.

研究了柔性转子摩擦振动的复杂行为。

By applying the principle of control theory and taking a grillage structure as an example, this paper analyses and discusses how the active control method is used to reduce the elastic vibrations of ocean engineering structures.

本文应用控制论原理，以一个板架结构为例，分析、探讨了采用主动控制方法减小海洋工程结构弹性振动的新问题。

Mechanical vibration - Guidelines for the measurement , reporting and evaluation of vibration with regard to habitability on passenger and merchant ships

客轮和商船可允许振动的测量，报告和评价导则

Experimental design for detecting ultrasonic vibration on the surface of metal with heterodyne interferometer .

用激光外差干涉仪探测金属表面超声振动的实验设计。

In this paper,water is assumed to be irrotational,inviscid and incompressible fluid.

潜射导弹，鱼雷及潜艇等结构在水面或水下运行时，就要考虑到流固耦合振动的问题。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷