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- The mechanism of dynamic instability of rolling missile was analyzed by describing the dynamics of rolling missile as a closed loop with dynamic negative feedback. 将滚转导弹动力学系统描述为一个具有动态负反馈的闭环系统,分析了滚转导弹动态失稳的机理。
- Triaxial accelerometry is helpful in the evaluation of dynamic instability of the dysplastic hip. 三轴加速度测量术对于评估发育异常髋的动态不稳定性是有帮助的。
- Mechanical stress on the dysplastic hip has been widely described, but dynamic instability requires further evaluation. 在发育异常的髋上机械应力已被大量描述，但是动态不稳定性要求更进一步的评估。
- The purpose of this study was to investigate dynamic instability of the dysplastic hip with use of triaxial accelerometry. 这次研究的目的是为了调查应用三轴的加速度测量术评估发育异常髋的动态不稳定性。
- K.J.Spyrou. Dynamic instability in quatering seas:The behavior of a ship during broaching. Journal of Ship Research,1996. 陶醉;张纬康.;船舶横甩及随浪操纵对策研究综述
- After that, we give the regions of the dynamic instability on the parameters of stationaray current, magnitude of pulse current, and duration of the pulse. 在此基础上，给出了关于稳态工作电流、脉冲电流强度和脉冲持续时间等参数的磁弹性动力稳定性参数范围。
- Considering the judgment of dynamic instability of truss structures, a stress rate method for dynamic instability analysis of truss structures was proposed. 摘要针对结构动力失稳的判定问题，提出了一种适用于杆系结构动力稳定分析的应力变化率法。
- Also,spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket. 旋转速率与结构阻尼及其他结构参数对气动弹性动态稳定性影响也比较显著。
- This paper seeks to explain physically how the Magnus and damping moments cause the dynamic instability of the projectiles, in accordance with the force system applied on the projectile, and its state of motion. 本文根据弹丸受力和运动情况,从物理意义上解释了马格努斯力矩和赤道阻尼力矩引起弹丸动不稳定性问题。
- A strong sandstorm is produced.A sensitive experiment is also performed to prove that dynamical instability of low level atmosphere would strengthen the entrainment of the sand particles in surface. 最后本文通过动力稳定性对起沙影响的敏感性试验证明了低层大气的动力不稳定能增强起沙。
- In coal mining machine,we measure the dynamic inst ability of pilot operated re-lief-valve through changing damping and srudy how the damping affects dynamic instability of relief-valve. 在采煤机中,通过改变阻尼参数,测定先导式溢流阀的动态不稳定性能,研究阻尼对溢流阀不稳定性能的影响。
- According to logarithm frequency stability criterion, the reason why Magnus effect results in dynamic instability of rolling missile was proposed based on open loop properties of the system. 由此系统的开环特性出发，基于对数频率稳定性判据给出了马格努斯效应导致滚转导弹动态失稳的原因。
- The riot can be considered a symptom of political instability. 这次暴动可看作是政治上不稳定的征兆。
- dynamic instability of atmosphere 大气动力不稳定性
- Critics point to the continuing instability of the company. 评论家们强调公司的形势继续不稳。
- Dynamic Instability of Chips and Dynamic Mechanism of Chip Breaking 切屑的动态不稳定性与动力学断屑机理
- The dynamics of natural and human-made bodies in outer space. 航天动力学，天体动力学将天然及人工天体推入外层空间的动力学
- The Measurement and Analysis of Damping in Relief-Valve Dynamic Instability 溢流阀动态不稳定性能中的阻尼测试及分析
- Determining for Dynamic Instability Domain of Spatial Frame Structures 框架结构的动力不稳定区域确定方法探索
- Nonlinear dynamic instability behavior of delaminated composite laminates 含分层损伤复合材料层合板非线性动力稳定性
