无阻尼频率
Observation of effect on treating varicella-zoster with undamped medium frequency sinusoidal current therapy and infrared rays
等幅中频正弦电疗加红外线治疗带状疱疹的疗效观察
Have studied dynamic analysis of socle beam structure and undamped-free vibration system. Natural frequency and mode of vibration computed have a comparison between interval and certain parameters on diagram about structural mode of vibration.
研究了悬臂梁结构和无阻尼自由振动系统的动力分析问题,计算的固有频率和振型与确定性参数计算值结果做了比较,并分析了结构各阶模态图。
英语网 · 双语娱乐资讯
英语网 · 初中英语语法
英语网 · 初中英语作文