铯原子的均匀振动记录时间，故而十分准确。
Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.
介绍一种利用实测振动记录确定已有建筑物的刚度中心的方法。
Method to estimate the center of rigidity of buildings by using vibration recordings is presented in the paper.
介绍一种利用实测振动记录确定已有建筑物的刚度中心的方法。
A Method to estimate the center of rigidity of buildings by using vibration recordings is presented in the paper.
通过原位测试实验数据，系统分析获得的振动记录，从实验上证实了理论模型分析结果的正确性。
Based on the field test data, the vibration records were systematically analyzed, and the correctness of the result of analysis by the theoretical model was verified.
所以任何电流都会引起纤维振动，这时纤维就可以像麦克风或者话筒一样工作，当然这也取决于振动是否被记录或者放大。
So any electric current will then cause the fibers to vibrate. The fibers could act as a microphone or a speaker, depending on whether the vibrations were being recorded or amplified.
通过沿着螺旋槽刻划针的振动，声音被记录到传统的唱片上。
Sounds are recorded on ordinary records by etching the vibrations of a needle along a spiraling groove.
藏伯格称，常规地震仪采用电路板记录重物受地震波影响的振动情况。
Zumberge said a conventional seismometer records how its mass is displaced by these waves of seismic energy with electric circuit boards.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
事实上，多重的水池，所有的都以不同频率振动，将制造乐音，多重音调，在基辅记录得如此清晰。
In fact, multiple water pools, all vibrating at a different rate, will create the music, the multiple tones, recorded so clearly at Kiev.
首先记录到的是纵向振动。
记录运动前后心脏活动所产生的振动信号，测量第一心音幅值和6分钟步行试验中步行的距离。
The vibration signal from heart activity was recorded, and the walking distance during the 6 minute walk test was measured.
通用振动测试仪一般不具备较长时间的在线记录功能。
Universal vibrometer has not the function of lasting and on-line recording.
通过实时记录摆球的位置，得到了不同初始条件下，弹簧摆振动的位移曲线、能量曲线和摆球运动的轨迹。
The graphs for the displacement, energy and the trajectory of the bob are gotten by recording the position of the bob in real time under different initial conditions.
本文根据原型振动实测的位移记录，应用时间域识别法，求得了结构的前几阶模态的固有频率和阻尼比。
Some modal natural frequencies and damping coefficients of a structure are derived by means of in-sita testing displacement records and the time domain identification technique.
本文利用振动测试记录，具体论证了汽轮机排汽端一侧轴承松动，而导致汽轮机第二临界转速共振和强烈共振。
By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration.
该接收装置包括引导件部件，该引导件部件被配置为将经过该记录介质的超声波导向第一振动部件。
The receiving unit includes a guide member configured to guide the ultrasonic wave that passes through the recording medium to the first vibration member.
振动图是用来记录地面随时间运动并且是地震学家用来研究地震波的基础数据。
Seismograms are recordings of ground motion as a function of time and are the basic data which seismologists use to study the waves generated by earthquakes.
方法记录254名从事振动作业的工人的接振时间和手部症状及一般症状的发生率，并和28名同一作业环境下非接振作业工人组成的对照组比较分析。
Methods Descriptive time of exposure to vibration and rates of symptoms in hands and general symptoms of 254 vibration workers, and corn-paring with 28. nonvibration workers groups.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等，录取叶片振动应变和动叶出口压力信号，然后回放磁带，做信号处理。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
因此，显微拉曼光谱仪记录到的材料振动谱和荧光谱为珍珠的分析研究及日常鉴定提供了可靠的信息资料。
We conclude that the vibrational and fluorescent spectra of these pearly can provide reliable information for their study and identification.
此外，台网尚观测记录到一些异常的振动现象。
In addition, some vibration anomaly also has been observed and recorded by the surveillance network.
该设备可以完成对球磨机减速机振动运行状况的数据采集、处理、显示、记录、监控、打印及历史数据分析及故障诊断等功能。
The system can acquire, process, display, record, monitor, print and analyze the vibration data of mill's reducer, and also can perform failure diagnosis.
测试处理后，系统自动判断三环减速器振动量是否在要求范围内。对于不合格的产品，单片机系统自动激发声光报警系统，并作相应的不合格记录。
Whether the three - ring reducer is qualified is measured automatically by measuring system, which can trigger sound and light alarm system for unqualified product and record it.
这时水层随之振动，这些振动被一个摄像机记录下来。
The water vibrates in response, and a camera records the vibration.
一种叫地震仪的仪器把这种反射来的振动波转送到记录器上。
Instruments called seismometers relay these reflected vibrations to a recording instrument.
此外，因为一个复杂的齿轮箱系统被用来记录原始的振动信号，因而振动信号的处理就变得更加困难。
Moreover, the processing of vibration signals has become much more difficult because a full-of-oil complex gearbox system has been considered to record raw vibration signals.
再用振动信号记录系统记录此时实验激励的振动加速度的均方根值。将记录的数据利用最小二乘和优化设计的方法拟合成振动频率计权曲线。
The data were fitted to the same form of the frequency weighting Wk of ISO 2631-1 with the least square method and optimization of parameters.
再用振动信号记录系统记录此时实验激励的振动加速度的均方根值。将记录的数据利用最小二乘和优化设计的方法拟合成振动频率计权曲线。
The data were fitted to the same form of the frequency weighting Wk of ISO 2631-1 with the least square method and optimization of parameters.
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