The foundation of the dam for Dalong reservoir consists of the layer of medium-coarse sand with gravel, so it is difficult to be penetrated even by the high-power vibrator.
大隆水库大坝坝基为含卵砾中粗砂层，即使大功率振冲器也难以贯入。
A cross orthogonal horn was proposed to build foundation for study single vibrator multi-DOF transducer.
设计出十字正交边幅杆构型，为研制单振子多自由度驱动换能器奠定基础。
A new method of the preparing ultra thin section specimen using mini vibrator is described in this paper.
介绍了一种全新的电子显微镜下超薄切片样品制备方法。
This paper suggests a dynamics equation of Laser DNA interaction system built on the model of DNA molecular vibrator of 2 degree freedom.
本文将DNA分子作二自由度振子系统近似，建立了激光与DNA相互作用系统的动力学方程。
The vibrator box and the connecting pipe are composed of an upper box cover and a lower box cover which are divided in an axial symmetry.
振子盒和接管由作轴对称剖分的上盒盖和下盒盖组成。
The company's power trowel, tamping rammer, forward plate, floor saw, concrete vibrator and mortar pump already reach world-class standards.
其中抹平机，冲击夯，平板夯，切割机，震捣棒，灰浆泵等均已达到世界一流水平。
Damping rate of the vibrator of the oscillograph is one of the important parameters, as it effects the dynamic characteristics of the vibrator.
光线示波器振子的阻尼率是一个重要的特性参数，对振子的动态特性有很大影响。
At the contact point of concrete, intensify the movement of vibrator, but not so fast, otherwise coarse aggregate will submerged and separated.
在砼前后接槎处，加强振捣，但也不能过度振捣以防砼发生粗骨料下沉和分层离析。
Harmonic distortion arises from the nonlinear vibrations of mechanical device of seismic source and the coupling between the vibrator and the ground.
由于震源的机械装置和振动装置的非线性振动以及振板与大地的耦合等问题，在震源向地下输入能量的同时，也产生了谐波畸变。
The utility model relates to a vibrator support for open aerials, which comprises a vibrator box provided with a main rod hole and a wire connecting hole.
本实用新型涉及一种室外天线振子架，包括设有主杆孔和接线孔的振子盒。
Laser Doppler vibrator has an advantage of analyzing the motion in frequency domain, and it is the complementarity of measuring periodic motion in time domain.
激光多普勒测振技术具有在频域上对微结构瞬态运动进行分析的优点。是时域上周期运动测试的重要补充。
A piezoceramic vibrator has infinite number of vibration modes, but usually only one or a few of them are used and all the other undesirable modes must be suppressed.
一个压电陶瓷振子含有无限个振模，而常常应用其一个或数个，对于其它不需要的模式，必须加以抑制。
The motion of round-shaped shaker is simplified to the general motion and the vibrator that consists of frame and vibrator axis is taken as a simple gyroscope in the paper.
将圆形筛的运动简化为一般运动，视圆形筛框体及激振轴组成的振动体为一个简单的陀螺体。
According to the needs of setting and testing flight altitude and airspeed in aviation repairing, the flight testing system based on vibrator-type sensor has been designed.
针对航空修理过程中对飞行高度与速度的设定及测试的需要，设计了以振筒传感器为核心的飞行测定系统。
The automatic feeding device which is formed by combining the vibration disc and the linear vibrator is particularly suitable for precise machining on light and small parts.
本实用新型由振动盘和直线振动装置组合的自动送料装置，特别适合在轻、小的零件的精密加工时作为自动送料装置。
The electric-magnetic vibrator combined UWB antenna (EMV-UWB) that constructed of electric and magnetic vibrator, has the characters of small size and high radiated efficiency.
电-磁振子组合型UWB天线集电振子和磁振子于一身，具有尺寸小、辐射效率高的特点。
In this paper, the operating principle of a planar vibrator micromechanical silicon accelerometer, the way of preparation and the designing of the detecting circuit are introduced.
本文介绍了一种扭摆式微硅型加速度计的工作原理，制作方法和测试电路。
Affected by damping, the energy vibrator is no longer eternally fixed. This article analyses its irregular attenuated movement in the condition of over damping and critical damping.
振子由于受到阻尼的作用，能量不守恒。分析了振子在过阻尼和临界阻尼情况下的非周期衰变运动。
The formula of waveform distortion is obtained by the approximate result expression of nonlinear equation about ultra low frequency standard vibrator with this kind of emulsion pipe spring.
同时求解了采用该乳胶管弹簧下的超低频标准振动台的运动方程近似解，得到了波形失真度计算式。
The paper also discusses the fact when that certain precision requirements are met, the underdamping vibrator returns more quickly to the balance position than the critical damping vibrator.
分析了振子的阻尼运动，得到了临界阻尼的附加条件，讨论了在一定的实验误差要求范围内，欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。
By comparing the linear accelerometer's dynamic calibration device with linear vibrator, it pointed out the advantages of the former in the process of linear accelerometer dynamic calibration.
文中还对基于双离心机的线加速度计动态校准装置和线振动台进行比较，指出了前者在线加速度计动态校准中的优点。
This paper presents two kinds of approximate analytical solution, non-resonance solution and resonance solution, of non-linear dynamic equation based on a type of ultra-low frequency vibrator.
给出了一类超低频标准振动台非线性运动方程的两种近似解析解——非共振解法和共振解法。
It is difficult to deal with these problems only by depending on electric vibrator. So imported vibrator of high-frequency has been used in the foundation treatment of some large construction.
目前普遍使用的电动型振冲器难以解决这些问题，因此在一些大型工程的地基处理中已经应用进口高频液压振冲器。
The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.
针对振动焊接中激振器的激振力不大、频带不宽等缺陷，本文研制了一种以超磁致伸缩激振器为执行元件的微振动平台。
The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.
针对振动焊接中激振器的激振力不大、频带不宽等缺陷，本文研制了一种以超磁致伸缩激振器为执行元件的微振动平台。
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