In chapter seven, the problem of reducing vibration in the speed-down process of a rotor system is noticed and its balancing methods are discussed in detail.
第七章研究了转子系统降速过程中过临界转速时的减振问题，讨论了其平衡方法。
Based on the analyses of the vibration and noise oft he trains and its propagation law, the methods for reducing the influence of them are put forward in this paper.
在分析了铁路振动与噪声及其传播规律的基础上，列出了减小铁路振动与噪声影响的方法。
The mechanism and methods of viscosity drag reduction are briefly discussed. Some of its applications for saving energy and materials, improving efficiency or reducing noise and vibration are given.
本文综述了几种粘性减阻方法及其减阻的机理，联系了其在水相、油相中节约能源、材料，提高速度和效率等方面的应用。
These methods such as withdrawal narrow neck of seed, setting feasible temperature field, cont rolling the crystal growth ratio and reducing vibration of machine are presented.
例如，通过缩细颈，布置合理的温场，控制晶体的生长速率和减少机械振动等方法。
Methods for reducing vibration of mechanical structure and the mechanism of reducing vibration of composite vibration-damping steel plates are introduced.
论述了降低机械结构振动的方法及常用复合减振钢板的减振机理。
Methods for reducing vibration of mechanical structure and the mechanism of reducing vibration of composite vibration-damping steel plates are introduced.
论述了降低机械结构振动的方法及常用复合减振钢板的减振机理。
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