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- Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam. 摘要参数激励双摆属两自由度时变系统，是研究多自由度系统以及弹性体梁参激振动的基础。
- multi degree of freedom system 多自由度系统
- Displacement and energy response of single degree freedom systems with different hysteretic models 不同滞回模型下单自由度系统的位移和能量反应
- Such equ-ations couid have practical value only if they could be applied to thesystem of multi degrees of freedom of automatic weapon. 这样的公式对于将自动武器视为多自由度系统加以应用,才具有实际的意义。
- nonlinear multi - degree - of - freedom systems 非线性多自由度系统
- muhiple degree of freedom system 多自由度系统
- multiple degree of freedom system 多自由度系统
- beam-multiple degree of freedom system 梁-多自由度耦合系统
- Based on the correlation principle, an algorithm to decomposite the damped free vibration signals of a two degrees of freedom system with close natural frequencies is put forward. 摘要基于单一频率成分的自由衰减振动响应信号的相关性原理，提出了一种频率密集成分的两耦合振子自由衰减振动响应信号的解耦算法。
- inelastic single degree of freedom system 弹塑性单自由度系统
- Deducting the elastoplastic responses of one single degree of freedom system with bilinear model,this paper investigates the ductility demand and energy dissipation for viscous dampi. 通过对单自由度双线性模型的塑性响应分析,考察固定阻尼比和固定阻尼系数两种情况对延性需求的影响,以及粘滞阻尼和塑性变形的耗能差异。
- multi- degrees of freedom system 多自由度系统
- An identification algorithm for vibrating dynamic characterization by using RBF (radial basis function) artificial neural network is developed for multi-degree of freedom systems. 基于径向基函数(RBF)神经网络，提出了水轮机振动荷载参数识别方法。
- multi degree of freedom 多自由度
- elastic single degree of freedom system 弹性单自由度系统
- single degree of freedom systems 单自由度系统
- Each of the components is useful in its degree. 每一个元件都各有程度不同的用处。
- relaxation of internal degrees freedom 内部自由度弛豫
- Criticism is not lost on you to some degree. 在某种程度上，批评对你起了作用。
- An honorary degree was conferred on Mr.Jones. 琼斯先生被授予一个荣誉学位。
