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- string vibration equation 弦振动方程
- When you play a violin, the violin string vibrates. 当你拉小提琴时，琴弦就振动。
- In the course of sidetracking of horizontal holes, lateral drill string vibration often occurs. 在水平井的侧钻过程中,钻柱很容易发生横向振动,引发钻柱失效、井眼扩径等严重事故。
- In the first part of this paper, the vibration equation of the generalized distributed system is solved. 在本文的第一部分,首先对广义分布系统受撞击时的运动方程进行了求解。
- It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function. 本文介绍了一种用于测量纤维力学性能的新型测试仪器.;该仪器由按弦振动原理设计的XD-1型振动式细度仪及具有气动夹持操作及数据处理功能的XQ-1型纤维强伸度仪组成。
- This paper is an attempt to give inferential reasoning and solution to thin film vibration equation. 试图对薄膜振动方程加以推导和求解。
- When you play a violin , the violin string vibrates. 当你拉小提琴时，琴弦就振动。
- This article builds the dynamic model and the vibration equation of COMAS Tobacco Processing Lines in cigarette factory. 摘要本文根据振动理论对卷烟厂COMAS制丝生产线上的振动输送机建立了相应的力学模型及其振动方程。
- Based on the extended Hamilton principle, the vibration equation of the solar panel substrate modal containing several PZT actuators is derived. 太阳能帆板是给航天器提供能源的重要装置,以压电陶瓷为做动器的智能结构可以有效地抑制卫星太阳能帆板在太空中的振动。
- By use of Heaviside function,the vibration equation governing the laminate plate that possessing spatially distributed piezoelectric patches is established. 本文借助阶梯函数，建立了含有任意分布的用作执行器的压电片的层合板振动方程。
- Abstract: By use of Heaviside function,the vibration equation governing the laminate plate that possessing spatially distributed piezoelectric patches is established. 文摘:本文借助阶梯函数，建立了含有任意分布的用作执行器的压电片的层合板振动方程。
- According to Davenport's pectra preperties and Mode Synthesize Method, vibration equation of tall structures have been built under the action of wind loading. 选用 Davenport建议的风荷载谱 ;以固定界面的模态综合法建立了在风载作用下高层建筑结构振动的有限元方程 .
- Strings vibrate when plucked [strummed]. 弦在拨弄时会颤动。
- STANDING WAVE ANALYSE IN A STRING VIBRATION 弦振动驻波分析
- I need a piece of string to tie this parcel up. 我需要一根细绳把这包裹扎起来。
- This paper describes the vibration equation of this structure, and derives the horizontal vibration displacement and acceleration response spectrum and the mean square response on the base of the complex modal analytical theory. 建立该结构体系在脉动风作用下的振动方程，基于随机振动的复模态理论，推导位移和加速度响应谱及均方响应的表达式。
- ANALYSIS ON DRILL STRING VIBRATION OF DEEP WELLS 深井钻柱振动规律的分析及应用
- Based on the micro-amplitude vibration equation of friction pendulum systems FPS, the steady-state random responses of FPS to Gaussian white noise actions are forecasted by means of the equivalent nonlinear system method. 摩擦摆系统（FPS）的微幅振动方程，运用等效非线性系统法预测了FPS系统对高斯白噪声激励的稳态随机响应。
- Lateral drill string vibration in horizontal holes 水平井侧钻过程中钻柱横向振动规律的研究
- The governing vibration equation of the system is derived from the displacement-pressure format and the finite element models are built by considering the compressibility of the fluid. 考虑流体的可压缩性，用有限元法的位移-压力格式对管束-流体耦合系统进行离散，建立了系统的振动控制方程。
