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。
Our premium drink contains powerful energy boosters along with a patented blend of herbal and supplemental ingredients known to enhance vitality, stamina and performance levels in both men and women.
我们的优质饮料含有强大的能量增强成分，独特的草本和增补成分混合物，可提升两性的活力、精力和性质量。
Our premium drink contains powerful energy boosters along with a patented blend of herbal and supplemental ingredients known to enhance vitality, stamina and performance levels in both men and women.
我们的优质饮料含有强大的能量增强成分，独特的草本和增补成分混合物，可提升两性的活力、精力和性质量。
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