The principal vibration of a simple beam with elastic supports was analyzed and the analytical formulation of normal vibration mode was derived.
给出了弹性支承桥梁和车体的振动方程并通过对具有弹性支座简支梁主振动的分析，得出了梁主振型的解析公式。
Then the paper used the projection operator to structure the normal coordinate component, thus combined 15 normal vibration patterns of propadiene molecule.
先对丙二烯振动模式进行分类及构造投影算符，再用投影算符构造简正坐标分量，从而组合出丙二烯分子的15个简正振动模式。
The cause of fan abnormal vibration is diagnosed by analyzing the spectrum characteristic of fan trouble for cooling tower. The normal running of fan is guaranteed.
通过分析冷却塔风机故障的频谱特征，诊断了风机运行异常振动原因并加以解决，确保了风机的正常运行。
The paper analyzed the exciting vibration sources and forms while engine normal vibrating by means of mechanic vibration theory.
运用机械振动理论分析了发动机机体正常振动时的激振源和振动形式。
This is all taking place because my energy is seeping in and raising the normal level of vibration.
现在一切都在发生，因为我的能量正在深入，并在提升正常水平的振动。
The paper introduces the basic property of rotor vibration, the shape of the orbit in normal condition and the relation between faulty rotatory machine and its character of orbit.
论文介绍了转子振动的基本特性，正常情况下轴心轨迹的形状和在故障状态下轴心轨迹和旋转机械故障的对应关系。
Being a very obvious problem of hydraulic balancing circuit, vibration and impulse affect the normal work of hydraulic system directly.
振动和冲击是液压平衡回路使用中常出现的问题，直接影响到液压系统的正常工作。
Experiments analysis show that the roller bearings vibration signal with normal, inner rings defect and outer rings defect are identified effectively.
试验和理论分析表明，利用该方法可以有效地将正常轴承和内滚道伤轴承、外滚道伤轴承的振动信号进行分离。
The vibration of rotors was controlled and normal work of the set was realized after the fault was overcome.
故障排除后，转子振动得到控制并实现了机组的正常工作。
Based on the above results, the authors sggest to adjust the structure of screening surface, in order that the bad vibration is finally eliminated, the normal operation is resumed.
现场根据分析结果，调整了筛面结构形式，最终消除了不良振动，恢复了正常工作状态。
Compared with normal hammers, it has a lot of advantages, such as lower noise, no exhaust gas, less vibration, high piling energy and better dynamics characteristics.
与传统打桩锤相比较具有噪声小、无污染、振动小、打击能量高等优点，符合环保要求，并具有良好的动力学特性。
The paper discusses the exciting vibration sources and forms while engine normal vibrating, and studies how they change when idling engine is wobbling by means of mechanic vibration theory.
讨论了发动机机体正常振动时的激振源和振动形式，并运用机械振动理论，研究了怠速抖动时它们的变化。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
The main controller passed the electro-magnetic compatibility tests, high and low temperature tests and vibration tests and presented a normal working condition.
该主控制器通过电磁兼容测试、高低温及振动测试后，系统工作正常。
The parameters reflecting normal stiffness have more obvious effects on extensional vibration mode than those on flexural mode and torsion mode.
结合面法向刚度大小的参数对纵向振动模态的影响比对弯曲、扭振模态的影响显著；
Many issues of wind power gear box are increasingly emerging, of which the vibration and noise of gear system becomes an important factor affecting the normal operation of the wind turbine.
风力发电机组增速箱的许多问题也日益凸显，其中，齿轮系统的振动和噪声成为影响风机正常运行的一个重要的因素。
The vibration of vocal folds was slight asymmetry in 1 normal voice person and normal in other 4 normal voice persons.
正常人中除1例声带振动轻微不对称外，其余4例未发现异常。
The principle is based on the vibration spectrum generated by machines:a faulty machine would produce a different vibration spectrum from the normal one.
它用于对旋转电机的预防性维护和例行检修，其原理基于机器产生的机械振动频谱，故障机器会产生不同于“正常”机器的振动频谱。
In the compound process of ultrasonic vibration and grain machining, the discontinuous grinding mechanism caused by ultrasonic vibration is the main factor decreasing normal grinding force.
深入研究了超声振动和磨粒切削的复合过程，指出超声振动形成的断续磨削机制是降低法向磨削力的主要原因。
The third chapter introduces the harmonic oscillator model, normal mode vibration types and frequency characteristics of infrared spectra.
第三章介绍了红外光谱的谐振子模型、简正振动类型和频率特征。
The noise and vibration tests show that this transitional curve is better than normal ones, which provides the reference for studying high performance rigid rotator model vane pump.
通过噪声和振动实验验证该定子过渡曲线优于目前刚性转子式叶片泵的过渡曲线，对研制高性能刚性转子式叶片泵结构理论有参考价值。
The vibration of generating unit, which is one of important parameters of analyzing generation unit's normal operation, is more paid attention to users.
机组振动是分析机组安全运行的重要参数之一，越来越多地受到用户的注意。
List normal and special sources of acoustic or electromagnetic noise, serious vibration, sources of corrosion, and any other significant interfering parameter that might prevent successful measuring.
列出常见和特殊的声、电磁噪声来源，严重的振颤，腐蚀源以及所有有可能影响正常测量的干扰因素。
The problems about the vibration reliability have got the recognition in more and more trades, and have been taken into some researches on the base of normal reliability.
振动可靠性方面的问题已经得到了越来越多行业的重视，且其研究绝大多数是基于常规可靠性的。
Compared to normal injection molding, the tensile strength and (impact) strength of the samples molded by vibration injection molding were improved by 17.6% and 179.6% respectively.
与常规注射相比，经振动注射后，复合材料的拉伸强度提高了17.6%，冲击强度提高了179.6%。
A pneumatic tire where ride comfort is prevented from being impaired by vibration input to the tire in a normal state and run-flat durability is remarkably improved.
一种充气轮胎，它防止了在正常状态下由于轮胎受到振动而导致驾驶舒适性变差并且明显改善了缺气压下行驶耐久性。
The elegant design guarantees that when the rotating device is running, the working power supply of the vibration motor is normal input and the knotting of the wires is prevented.
其中通过巧妙的设计保证当转动机构通电转动时振动马达的工作电源可正常输入，不会产生导 线打结的情况。
These heating steam pipes shall be suitably supported to avoid excessive vibration during start-up, normal operation and transients.
这些加热蒸汽管道应做适当支撑，避免启动、正常运行、转变过程中发生的振动过多。
These heating steam pipes shall be suitably supported to avoid excessive vibration during start-up, normal operation and transients.
这些加热蒸汽管道应做适当支撑，避免启动、正常运行、转变过程中发生的振动过多。
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