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- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程（4－198）给出了一级近似下的固有振动频率的改变量。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系统的固有频率越低，隔振性能越好。
- The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed. 试验结果表明：相对位移对表面光洁度的影响是线性”的，不仅与振动幅值有关而且与振动频率及主轴转速有关。
- The results indicate that the natural frequency of vibration of multispan stone arch bridge is closely packed and it has adequate safety allowance. 研究结果表明，多跨度石拱桥作为一个整体，其自振频率较为密集，桥梁具有足够的安全裕量。
- The hysteresis loops, response of vibration, transmissibility and resonant frequency of dampers with different thickness are obtained respectively. 获得了钢板厚度不同时隔振器的弹性迟滞回线、隔振器系统频响特性、传递率及固有频率。
- Both increasing the mass and reducing the support stiffness of the slab can reduce the natural frequency of the FST system to achieve better performance of vibration isolation. 可以通过增加浮置板质量和降低浮置板支承刚度的方法降低浮置板轨道系统的固有频率，以达到较好的隔振性能。
- Through the swept frequency experiment study for a kind of CD-ROM,the damp ratio of vibration system and natural frequency of vertical vibration model are obtained. 通过对某型号CD光驱的隔振系统作扫频实验,获得振动系统的阻尼比和竖直振型对应的固有频率。
- The calculation of vibration parameters was carried out on a FACOM-M16o computer. The highest frequency of the system evaluated is up to 25th order and the associated model patterns are plotted. 并在FACOM-M160计算机上进行振动特性的计算,得出系统的前25阶固有频率、绘制了对应的振型图。
- SA (spectral acceleration) is approximately what is experienced by a building, as modeled by a particle on a massless vertical rod having the same natural frequency of vibration as the building. 而谱加速度大致上是一座建筑物感受到的加速度，科学家把一颗与目标建筑物具有相同自然频率的粒子放在一个近似无质量的垂直控制棒上进行模拟得出此数据。
- On the other hand, there is little effect on the characteristic frequencies of vibration spectrum for a normal bearing. 在另一方面则发现，对数转换对于正常轴承之振动频谱并无太大影响。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Of, characterized by, or consisting of vibration. 振动的振动的，以振动为特征的，由振动组成的
- Manufacturers of vibration test equipment. 生产振荡测试设备。
- The purpose of this paper is to investigate (1) whether vibratory stimuli will affect self-stimulatory behavior (SSB), (2) different frequencies of vibration might have different effects on SSB. 摘要本文主在研究利用振动所产生的触觉感对自我刺激行为之影响及不同频率的振动是否有不同效果。
- A frequency of one million megahertz,10000?200Hz. 一百万兆赫(兹)频率，即10000?200赫(兹)。
- A frequency of one million megahertz,10 ?12?Hz. 一百万兆赫(兹)频率，即10??12?赫(兹)。
- To improve the precision of vibrating densimeter,some measures on controlling the temperature of oil,increasing the frequency of wax removal,and compensating the error are put forward. 根据实践经验,提出了通过控制油温、增加清蜡次数及差量补偿的办法可减小其影响。
- The nitrate ion has four fundamental modes of vibration. 硝酸离子有四个基频形式。
- The frequency of aberration by CGH was 60%(12/20). 20例淋巴瘤患者CGH核型异常检出率为60%25。
