... self-optimizing filter 自寻最佳滤波器 self-oscillating regime 自振状态 self-oscillating 自激振荡（的） ...
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得到的结论是：对于叶片的前七阶振动，通常的叶片固支状态对叶片自振频率计算值几乎没有影响。
The conclusion shows that the calculated results of blade intrinsic vibration frequencies bear no relation to the common fix states for the first seven-order blade vibration.
提出了根据建筑物的自振特性，判断建筑物受损状态的方法。
The method that to decide failing state of building, according to the dynamic characteristics, is suggested in this paper.
研究了双幅激振自同步椭圆振动系统的同步性条件和同步状态稳定性条件。
In this paper, we discussed the synchronism conditions and the synchronous state stability condition of the self-synchronous ellipse vibrating system with dual amplitudes exciting.
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