查询词典 damped vibration

Article 17 Muffling or vibration-proof measures shall be taken against the mechanical equipment, motor vehicles, catering and entertainment places and other sources of noise that produce noise or vibration, and the noise or vibration must meet the relevant standards.

第十七条对产生噪声和振动的机械设备、机动车、饮食娱乐服务场所以及其他噪声源，应当采取消声防振措施，其噪声和振动必须符合有关标准。

From the view point of vibration,automobile is divided into a body vibration system and powertrain torsional vibration system.

从振动的角度看，汽车振动系统可分为车身振动系统和动力传动系扭转振动系统。

The fatigue vibration test of corrugated fiberboard was conducted. The influence of the number of vibration and vibration acceleration on the load capacity and cushion coefficient of corrugated fiberboard were determined and compared with non-vibrated corrugated fiberboard.

对瓦楞纸板进行疲劳振动试验，测定分析振动次数、加速度对瓦楞纸板承载能力、缓冲性能的影响，并与未经振动材料进行比较。

Against the background of wind-induced vibration of the H-shaped hangers of steel truss arch bridges,this paper analyzes the degree of influences of the Reynolds number Re,vibration factor ξ,stress magnitude,stress state,boundary conditions and sectional shapes of hangers on the vibration of the hangers of the steel truss arch bridges.

以钢桁拱桥的H型吊杆的风致振动为工程背景，分析了吊杆的雷诺数Re、振动因子ξ、应力大小及应力状态、边界条件、断面形状对钢桁拱桥吊杆振动的影响程度。

Against the background of wind-induced vibration of the H-shaped hanger s of steel truss arch bridges,this paper analyzes the degree of influences of the Reynolds number Re,vibration factor ξ,stress magnitude,stress state,boundary conditions and sectional shapes of hanger s on the vibration of the hanger s of the steel truss arch bridges.

以钢桁拱桥的H型吊杆的风致振动为工程背景，分析了吊杆的雷诺数Re、振动因子ξ、应力大小及应力状态、边界条件、断面形状对钢桁拱桥吊杆振动的影响程度。

Methods30 healthy students of Shanghai university of TCM accepted two operations of vibration massage apparatus-non-vibration and vibration . The temperature diversity was obseved at different time : before operation , after 3min operation, after evaluating apparatus 1, 2, 3,4,5 min by infrared thermal imaging system .The image was dealt with analysis system and data was statistically anlyzed.

方法上海中医药大学的30名健康大学生先后接受机械振动按摩器的空置和振动两种操作，用红外热像仪分别于操作前0 s、操作3 min后即刻、撤离仪器后1 ，2，3，4 min和5 min观察受试者以心俞为中心的手掌大小区域的温度的动态变化，并用分析软件处理相关温度数值，将结果进行统计学分析。

According to the applicable standards, there is only the requirement on the vertical bending vibration frequency of the carbody to be higher than 10Hz, while there is none against the frequency of transverse bending vibration and the carbody torsion vibration around the longitudinal axis.

根据有关标准，只要求车体的垂向弯曲振动频率大于10Hz，对侧墙横向弯曲振动频率、车体绕纵向轴扭转振动频率没有具体要求，因此在进行车体模态分析时，把顶盖看成设备，而不必考虑顶盖结构的影响。

It is analyzed the influence of electrical locomotive carbody canopy on the frequency of the carbody vertical bending vibration,the side wall transverse bending vibration and the carbody torsion vibration around the longitudinal axis.

分析了电力机车车体顶盖对车体垂向弯曲振动频率、侧墙横向弯曲振动频率、车体绕纵向轴扭转振动频率的影响，指出车体顶盖对车体垂向弯曲振动频率的影响是很小的，并且通过实例验证了这一点。

According to the national standards(GB/T50452) and the allowable value of panicle vibration velocity at bottom of high-station base,the impact of the superposition of ground traffic vibration and subway vibration to timber structure of Bell Tower and its high-station base is comprehensively evaluated.

9依据国家标准(GB/T50452)和高台基底部质点振动速度容许值，对地面交通振动、地面交通振动和地铁振动叠加对钟楼木结构和高台基的影响进行了综合评估。

Time (3Xrpm) turning table speed. In addition, while the teeth of the tri-cone bit interact with the formation, the drillstring will generate tiny axial vibration. As the vibration is symphonious to the tri-spine well bottom, the vibration signal exhibits amplitude modulation character. This character had been verified by in-site measurement data and numerical simulation.

另外，三牙轮钻头与地层作用破岩时牙轮牙齿产生啮合振动，由于三脊状井底对啮合振动进行幅度调制形成调幅信号，根据调幅信号的频率特征，振动信号在频域表现为具有一定边带的一束谱线，它是钻头工作正常的&健康信号&。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。