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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。
- In this paper, the governing differential equations of double pendulum is established with the Lagrange methods, the stability margin of corresponding linear equations are obtained by the multiple scale method. 采用拉格朗日方法建立参数激励双摆的控制微分方程，通过多尺度法对其线性化方程进行分析，获得稳定性边界。
- KAM THEORY OF THE COMPLEX DOUBLE PENDULUM 复杂双摆的KAM定理
- Bifurcation Analysis of a Double Pendulum With Internal Resonance 双摆内共振分岔分析
- Controlling the double pendulum base on single chip system 基于单片机实现对二级倒立摆的控制
- Periodic Motion and Analytic Solution for a Free Double Pendulum 自由运动双摆的周期性及其解析
- The motions of the double pendulum linked by rigid rods with mass 具有质量的刚杆连接的双摆运动
- Chaotic Study of Double Pendulum System on Matlab Software 基于Matlab软件的双杆摆系统混沌研究
- Study on double pendulum model of crane lifters and anti-sway control 起重机双摆振动模型与反摆控制的研究
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
