阻尼比是二阶系统的一个重要的特征参数，它对二阶系统动态特性有较大的影响。
The damping ratio is an important characteristic parameter in a second-order system, which has great effect on the dynamic characteristic of the second order system.
通过零件的特征参数属性和其特征编码关联其加工方法是目前技术水平下实现动态工艺知识有效管理的一种可行的方案。
The establishment of the relations between the feather code of parts and the working methods is the valid way of dynamic knowledge management in the current technology level.
本文旨在通过分析肌肉在静动态收缩的过程中表面肌电特征参数的变化，研究肌电信号中的疲劳特征。
The purpose of this thesis is to analyze the characteristic parameters of sEMG during muscle static and dynamic contractions, and to study sEMG characteristics of muscle fatigue.
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