The displacement of each mode is determined by a balance between the energy fed into the riser over lock-in regions and the energy dissipated by the fluid damping over the remainder.

各阶模态的响应位移通过平衡涡激锁定区域内柱体的输入能量与非锁定区内流体阻尼的耗散能量计算得到。

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The paper also discusses the fact when that certain precision requirements are met, the underdamping vibrator returns more quickly to the balance position than the critical damping vibrator.

分析了振子的阻尼运动，得到了临界阻尼的附加条件，讨论了在一定的实验误差要求范围内，欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。

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Based on the story model of spatial member, the supplemental damping matrix, dynamic balance equation and relative energy balance equation of structures with viscous dampers are derived.

基于结构空间杆系-层模型，推导了粘滞阻尼器减震结构的附加阻尼矩阵、动力平衡方程和相对能量方程。

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Post-tax prices should be set at a level that would strike a balance between damping down use on the one hand, and discouraging a black market and the desperate acts of theft and prostitution to which addicts now resort to feed their habits.

ECONOMIST: Failed states and failed policies