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- The infrared + force vibration design, may promote the blood circulation, speeds up the metabolism. 红外+强力振动设计，可促进血液循环，加快新陈代谢。
- This essary quantitative analyse energy in damped vibration and steady forced vibration each other time. 定量分析了阻尼振动、稳态受迫振动的能量随时间变化的关系。
- The object under periodical outside force vibrates, which is called forced vibration. 物体在周期性外力-策动力作用下的振动，叫受迫振动。
- As a numerical example, nonlinear free and forced vibration phenomena of shallow spherical shells with sinusoidal corrugation are studied. 作为算例，研究了正弦波纹扁球壳的非线性自由和受迫振动现象。
- In this paper, the vertical forced vibration of dynamic foundation on viscoelastic layered half space was studied in detail. 本文较深入地研究了层状粘弹性半空间上刚性圆形基础的垂直振动问题。
- Express the differences of displacement variation of a mass subjected by a free damped vibration and a forced vibration, separately. 分别叙述一质量受到无阻尼的振动与强制振动时位移变化的不同。
- The forced vibration problems of a turboshaft engine, which is mounted directly on the main gear box, were investigated. 摘要涡轴发动机的一种常见的安装方式是其主安装节直接与主减速器相连，对这种安装形式下涡轴发动机的受迫振动问题进行了研究。
- A method of separating variables to analyse problems of forced vibration of rigid/viscoplastic eircular plates is suggested. 本文用分离变量方法分析刚／粘塑性圆板的强迫振动问题，给出了该板强迫振动时的挠度与内力解。
- Small amplitude forced vibration tests (FVT) for a field large-scale soil-box foundation-structure interaction system were designed and carried out. 摘要设计并完成了野外大比例(1:2)土-箱形基础-框架结构相互作用系统顶部小幅激振试验。
- This article introducedes that a magnetic pendulum and a simple pendulum make a non-complete forced vibration system.It can be used to study nonresonant natural vibration. 用一永久磁铁构成的摆和一单摆一起组成一非完全强迫振动系统，它可用来观察、研究物体的非共振固有振动现象。
- The former causes forced vibration at the circular frequency of the crank shaft and the latter causes transient vibration at the natural frequency of the press. 惯性力激发的振动是以曲轴转速为频率的强迫振动，加工力激发的是以压机固有频率为频率的过渡振动。
- In the regenerative liquid propellant gun,the coupling oscillation of the fluid sys-tem in the reservoir including free vibration and forced vibration may be formed. 在再生式液体发射药火炮中，贮液室流体系统可能发生由自激振动与强迫振动构成的耦合振荡，在喷射结束期很可能形成共振。
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- The main work are including: 1) Building the universal model for torsional vibration of ship propulsion shafting, and researching the common methods for free and forced vibration. 本文以船舶推进轴系为研究对象，查阅了国内大量研究资料，对轴系扭振的机理、计算方法以及一些关键问题进行了研究，其主要的工作包括： (1) 建立了通用的船舶推进轴系扭振计算模型，系统研究了扭振自由振动和响应计算方法，利用软件工程的基本方法，开发了基于VB.
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- But they refused to bow to force. 但他们拒不向武力低头。
- A new kind of physics experimental instrument of forced vibration and resonance is introduced, conducting research of the relationship between vibration period and to arms of prong. 摘要介绍了新型音叉受迫振动与共振实验仪。通过音叉双臂与振动周期关系的研究，可以深入理解振动式液体密度传感器的原理及其应用。
- I had to use force in opening the door. 我不得不用力开那一扇门。
- The invasion force was annihilated. 侵略军被消灭了。
- When do the new safety rules come into force? 新的安全规则何时生效?
