使阻尼

In this way, it is easy to regularize discrete scheme and programming. Besides, the numerical solutions can be more steady and the convergent process faster.

为便于统一编程和利用有限边界元素法进行方程的离散，作者对粘性流场的控制方程组进行了标准化处理，通过在连续方程中引入内部阻尼项，使连续方程和动量方程及能量方程具有相同的标准化形式。

Should not be made larger than necessary since excessive erector damping causes the gyro to overshoot the vertical during erection.

也不应该做得比需要的更大，因为修正装置阻尼过大将使陀螺在修正过程中偏离垂线过多。

Should not be made larger than necessary since excessive erector damp ing causes the gyro to overshoot the vertical during erection.

也不应该做得比需要的更大，因为修正装置阻尼过大将使陀螺在修正过程中偏离垂线过多。

A variable-step modified Euler time integration method is proposed and analyzed. Four major factors that affect the efficiency of the variable-step modified Euler time integration method are discussed. These include stability and accuracy analysis for the damped fix-step modified Euler integration formula, adjustment method of the fix-step basic integration formula to accommodate step-size changes, suitable range of the step-size selection strategy based on truncation error concept and development of the step-size selection strategy based on apparent frequency concept to satisfied the specified error bound and stability condition.

提出了变步长修正Euler时间积分法，详细讨论了影响变步长修正Euler时间积分算法效率的四个主要因素，它们包括：有阻尼问题的修正Euler法的稳定性和精度分析，调整固定步长的基本积分公式使之容纳步长大小变化的研究，基于截断误差概念的步长大小选择策略适用范围的讨论，同时满足规定误差界和稳定性条件的、基于表观频率概念的步长大小选择策略的建立。

The derivatives of the nonsmooth equations are computed to make the generalized derivative matrix nonsingular. Then the nonsmmoth damped Newton method is used to solve them.Analytic solutions of the KdV equation with variable coefficients: Shallow water wave problems belong to problems of free surface wave, and can be molded by the nonsmooth equations model given above in principle.

在前面建立的非光滑方程组数学模型和固定网格法基础上，利用广义导数的概念给出了求解渗流自由面的一种新方法-----非光滑阻尼牛顿法，该法是对非光滑方程组求导，适当的处理广义导数矩阵使其非奇异，利用非光滑牛顿法求解。

At the request of Alex Jacobowitz, Adams worked to create a five octave marimba with a special pedal dampening system adding to the sound possibilities of the instrument.

并在名家 Alex Jacobowitz 的要求下生产了5个八度音的马林巴琴以及专用的阻尼踏板系统，使其音色更丰富多变。

"Damping: In physics, the restraint of vibratory motion, such as mechanical oscillation s, noise, and alternating electric currents, by dissipating energy."

阻尼：物理学中，指因能量耗散使振荡、噪音、交流电之类的振动所受到的遏制。

This damping mechanism well showed the damping properties of Zn-27Al alloys after modification, solution treatment and natural ageing were advanced for the increase of the phase interface and is's movability.

上述微观机理充分揭示了变质固溶时效后的Zn-27Al合金由于组织细化及非共格可动界面的增多，使合金阻尼大大提高的原因。

Which can make the movement pair have optimal position accuracy and roughness of work piece?

导轨副用直线滑动导轨，运动灵活、精度高、为提高抗震性，采用阻尼块的结构，使运动副有最佳的定位精度和工作精度。

Secondly, oscillation energy function of inter-area mode oscillation is defined which can be regarded as a measure of the deflection away from the steady state position during dynamic oscillation period.

分析了功率振荡过程中能量函数的变化，提出了衰减振荡能量的阻尼控制策略，目的是使系统暂态能量以最快的速度归零，即回到故障后的稳定平衡点。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。