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Meeting the above requirements is a real challenge for the ILC damping ring lattice design.

对于磁聚焦结构的设计来说，同时达到以上要求是一件很有挑战性的工作。

The results show that there are optimal damping coefficient leading to the minimum response of the primary core-tube, and that the dynamic response is not sensitive to the lesser damper stiffness, and that the optimal value affected by inter-story drift ratio of the suspended floors as constraint condition and setting reasonable structural parameters could meet the optimization objectives and the inter-story drift ratio limit of the suspended floors.

结果表明：存在最优阻尼器的阻尼系数，使得主体核筒的响应最小；当阻尼器的刚度较小时，可以忽略其对结构动力响应的影响；悬挂楼面的层间位移角作为约束条件，影响结构参数的优化值；通过设置合理的参数才能够同时满足优化目标和悬挂楼面的层间位移角限值。

This kind of cork is oriental oak bark, collect 9 every years pare, element has " soft gold " say, have density low, compressible, bouncy, airtight, lie between water a series of good character such as moistureproof, damping, sound insulation, adiabatic, flame retardant, insulation, it is collect myriad dotes on the baby at a suit, the bottle stopper of high-grade red wine is made by it.

这种软木是栓皮栎的树皮，每九年采剥一次，素有"软黄金"之称，具有密度低、可压缩、有弹性、不透气、隔水防潮、减震、隔音、隔热、阻燃、绝缘等一系列优良特性，是集万千宠爱于一身的宝贝，高档红酒的瓶塞就由它制作。

Also, the numerical result of the nonlinear Landau damping rate for the longitudinal color eigenwaves is obtained in the long-wavelength limit, the relation between the hard thermal result in the finite temperature field theory and the kinetic theory is discussed.

我们还得到了长波极限下纵色本征波的非线性Landau阻尼因子的数值解，考察了温度场论中"硬热圈"结果和夸克胶子等离子体动力论间的关系。

In order to fit the experimental angular dependence of FMR linewidth anexpression of anisotropic damping coefficient is proposed.

其中和sinθ四次项有关的阻尼系数为负值，这似乎和自旋的转移有联系。

It is an important research aid to study the behaviour of damping solutions and litho plate surfaces.

它是研究柯式印版表面和湿润液的主要工具。

Some possible applications of wide-area measurement system in power system are gathered up, including applications in static analysis, recording dynamic procedures of the whole power network and post-contingency analysis, identifying and calibrating the dynamic model of power system, transient stability prediction and control, voltage and frequency stability monitoring and control, analyzing and damping the low frequency oscillation, global feedback control, fault location and parameter measurement o...

综述了广域测量系统(Wide-Area Measurement System，WAMS)在电力系统稳态分析、全网动态过程记录和事后分析、电力系统动态模型辨识和模型校正、暂态稳定预测及控制、电压和频率稳定监视及控制、低频振荡分析及抑制、全局反馈控制、故障定位及线路参数测量等方面的应用。通过这些应用可以看到，WAMS给电力系统分析与控制提供了新的视角和解决方法，值得深入研究。

The analytical expressions of modal damping and frequency, logarithmic decrement and dynamic magnification factor, which represent the dynamic properties of the system, were obtained by theoretical analyses.

分析表明，Alford力会促进正向涡动而抑制反向涡动，增大正、反向涡动的模态频率，降低正向涡动的稳定性，而提高或降低反向涡动的稳定性则取决于系统的相对阻尼，增大或减小系统的动力放大系数则取决于比转速，并改变系统响应的相位。

Wind tunnel investigation is conducted on six different canard configuration models over range of Mach from 0.8 to 2.5.The experiment data analyzes the regulation of rolling characteristics with Mach number and angle of attack,and the effect of rolling characteristics for different configurations is discussed.The rolling damping characteristics are also studied.

通过风洞实验得到了跨、超音速下六种组合模型的气动力数据，由实验结果分析了远程弹滚转特性随马赫数和攻角的变化规律，以及不同鸭式气动布局对滚转特性的影响，此外还分析了远程弹的滚转阻尼特性。

In this paper, a typical robot system manipular is taken for an example, by adopting backstepping control, adaptive neural network and damping scheme, a smooth robust adaptive controller is achieved to track the given reference trajectory and swicthing is avoided.

本文以典型的机器人类系统机械臂为例，使用反步控制结合自适应神经网络和非线性阻尼技术，给出了一种光滑的鲁棒自适应控制器来跟踪给定参考轨迹，避免了控制器的切换。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。