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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
- 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.
- 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 movable control element of such a device. 栓塞这种装置的可移动的控制部分
- 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。
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- 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。
- 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。
- I'm out of my element in political discussions. 我不喜欢参加政治讨论。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- The will of crime is the core among the elements controlling the crime of immediate intention which embodies the essence of culpability about the immediate criminal intention. 在支配直接故意犯罪的主观罪过要素中,犯罪意志是核心,它体现了直接犯罪故意的罪过实质。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- The scientists are in search of a new element. 科学家们正在寻找一种新元素。
- He was out of his element at the ball. 他在舞会上感到格格不入。
- There's an element of truth in his story. 他说的有些道理。
- Water is a fish's natural element. 水是鱼的自然栖息地。
- For example,Dongjiang River Basin (in Guandong Province) planning, the weighted region controlling approach and key elements controlling approach have been used for fuzzy assessment. 如在东江流域规划中，环境影响综合评价采用了权重区域控制法和重点要素控制法进行模糊评价。
