但是对于一些有低频振动的材料，如声学振动。
But for materials where you have vibrations, acoustic vibrations, those are low frequency.
车削低频振动；高频振动；消除措施。
The car pare low frequency vibration; High frequency vibration; Cancellation measure.
应用时频分析方法研究了回转机械低频振动问题。
In this paper low-frequency vibration problems of rotating machinery are investigated.
车削低频振动；
溃疡性结肠炎；低频振动电磁治疗仪；疗效；安全性。
Ulcerative colitis; Electromagnetic therapy instrument with low frequency vibration; Efficacy; Safety.
这项研究成果可以将人体移动，心跳，血流等低频振动转化为电能。
The researchers have devised a method that allows the generation of energy by converting low-frequency vibrations from body movement, heartbeat, blood flow, and the wind into electricity.
以惯性测量原理，用地震式低频振动传感器测量桥梁动挠度。
An inertial measurement method for bridge dynamic deflection with seismic low frequency vibration transducers was promoted.
本文介绍了为校准低频振动传感器而研制的低频振动标准装置。
A low frequency vibrating standard apparatus is developed for calibration of low frequency vibrating sensor.
提出了一种通过测量动态应变实现工程中低频振动监测的方法。
A method based on dynamic strain signals for identifying damage of beam structures in time domain is presented.
地铁列车引发的潜在环境低频振动的传播有何特征，有待于研究。
It is necessary to further study the characteristics of the propagation of potential environmental low frequency vibrations due to metro trains.
目的：观察低频振动电磁治疗仪治疗溃疡性结肠炎的疗效与安全性。
Objective: To observe the efficacy and safety of electromagnetic therapy instrument with low frequency vibration in the treatment of ulcerative colitis(UC).
本文研究了在普通砂型条件下，低频振动使铁碳合金凝固组织的影响。
Effect of low freqency vibration on solidified behavior of ferro-carbon alloy was inspected in sand-mold Casting.
且该低频振动研磨系统具有工艺易于实现、成本低且操作简便的特点。
The low-frequency vibration grinding system has the features of easy realization, low cost and brief operation.
通过对某机组可倾瓦发生的非正常低频振动进行测试，诊断出了振动故障。
The abnormal low frequency vibration on tilting-pad bearing in a certain machine is measured and the vibration fault is diagnosed.
如何采取合理的减振措施，将低频振动的影响减到最小，是亟需解决的问题。
How to adopt reasonable vibration mitigation measures to minimize the impact of low frequency vibrations is an urgent problem to be solved.
为采收环境低频振动能量，实现网络传感器自供电装置提供了设计的理论依据。
It provides a theoretical basis for harvesting the low-frequency vibration energy in environment and designing self-powered device of sensor network.
针对城市轨道交通可能引发的低频振动，采用特殊浮置板轨道进行室内激振试验。
A kind of special floating slab track is utilized to conduct an experiment in laboratory in order to control potential low-frequency vibration from urban mass transit.
利用信号恢复技术，对地震式低频振动传感器因频率特性而畸变的输出作补偿处理。
Signal recovery technique is adopted to compensate the output which is distorted because of the frequency characteristics of seismic transducer.
为了深入研究振动切削中各因素对加工表面的影响，建立了低频振动切削实验系统。
In order to study deeply factors of cutting surface effection in vibratory cutting, the experiment system of the vibration cutting with low frequency is tried and established.
所述解调变换器和低频振动分离器输出的信号送入一个采样和分析诊断的计算机ad接口。
Signals output by the demodulating converter and the low frequency vibration separator are sent to an interface of a sampling and analyzing diagnostic computer AD.
针对小口径火炮身管钻削加工时存在的切屑堵塞和内膛质量问题，设计了一套低频振动装置。
According to the problems of blocked chips and hole qualities in the drilling of small caliber gun barrel, a installation of low-frequency vibration drilling is designed.
DCZ4多功能低频振动测量仪是一种具有低通滤波、高通滤波和重积分功能的先进振动测量仪。
The DCZ4 vibration measuring instrument is an advanced multi-function and low-frequency instrument for low pass filter, high pass filter and double integration.
针对步进电机的输出力矩特征以及柔性负载的低频振动特性，提出一种抑制柔性负载振动的控制策略。
There is a two rank oscillation factor in the numerator of transfer function because there exists flexible load in electrohydraulic force control system.
本发明公开了一种装置，其用在低频振动能量收集(veh)中，或在仅要求低偏转力的致动器中采用。
An apparatus for use in low frequency vibration energy harvesting (VEH) and with actuators requiring a low deflection force.
这些管线的直径只有人头发的5000分之一到25分之一，并且能从风和水流之类低频振动中获取能量。
The wires measure 1/5, 000th to 1/25th the diameter of a human hair and are capable of harvesting energy from low-frequency vibrations such as the wind or the flow of currents.
低频振动采油技术已成为一项重要的物理增产、增注措施，但其理论研究水平目前还相对滞后于现场应用。
LF vibration oil recovery has become an important physical stimulation method, but its theoretical study is lagging behind field application.
利用自行研制的振动注射成型装置进行注射样条实验，研究低频振动场对注射样条制件的物理力学性能的影响。
Effects of low frequency field on mechanical properties of injected specimens were explored by self made low frequency vibration injection molding(VIM)device.
在加工中小直径内螺纹和在难加工材料上攻丝时，普遍存在攻丝扭矩大、螺纹精度低、丝锥易折断、废品率高等问题，而采用低频振动攻丝是解决此问题行之有效的方法。
When tapping the little diameter in the material of difficult processing, there usually exist a lot of questions such as tapping torsion heavy, thread accuracy low, rejecting rate high.
在地表，这种类似于低频声波的振动非常小，只相当于造成它们的垂直振动的幅度。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
在地表，这种类似于低频声波的振动非常小，只相当于造成它们的垂直振动的幅度。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
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