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- In this paper, the active vibration control system of a 3 Dimensional supporter is realized based on smart structures. The finite element control equations are derived from Hamilton principle and Euler equation. The experimental results are provided. 通过机敏结构建立了三维支撑结构的振动主动控制系统，利用Hamilton原理和变分法中的Euler公式导出了压电机敏结构的离散控制方程，采用加速度反馈实现了支架的振动主动控制
- A few kinds of main fat are qualitative between have important interaction, if think commonly,cholesterol can enhance the stability of structure of double deck of double element phosphatide. 几类主要的脂质之间有重要的相互作用，如一般认为胆固醇能增强双分子磷脂双层结构的稳定性。
- Based on the modern control theory, an aerofoil finite element control model is established by using MSC Nastran DMAP (Direct Matrix Abstraction Program). The vibration control is studied with linear quadratic optimal control theory proposed. 利用MSCNastran开发语言DMAP(DirectMatrixAbstractionProgram);基于现代控制理论;建立机翼有限元结构的振动控制模型;并使用线性二次型最优控制理论对机翼结构进行振动抑制研究.
- Methods:The COPD rats model were made by double elements of smoking and douching Mahuang Decoction. 方法以烟熏法并佐以麻黄汤造成大鼠慢性阻塞性肺疾病(COPD)气虚自汗模型。
- double element pyroelectric infrared sensor 双元型热释电红外传感器
- queue element control block (QECB) 队列元控制块,队列元素控制块
- NECP( network element control protocol) 网络设备控制协议
- The elemental controls the exact height, but it must be at least 10 feet. 元素可以精确控制自己的高度，但是至少不少于10英尺。
- 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。
- DF3-W positively locked solenoid valve is exclusive pneumatic elements controlling the actions of the brake and cluth of a press. 正联锁阀是控制压力机制动器、离合器正常工作的一种专用气动元件。
- model reference self-adaptive plus fuzzy and self-tuning neural element control 模型参考自适应的增益模糊自整定神经元控制
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- DF4-W reverse locked solenoid valve is exclusive pneumatic elements controlling the actions of the brake and cluth of a press. 反联锁阀是控制压力机制动器、离合器正常工作的一种专用气动元件。
- 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。
