第四个模型可用来进行颤振试验。
圆的脖子。袖子短颤振。经典的健康。
建立了金属切削过程的二维颤振数学模型；
This Paper present a two-dimensional non-linear dynamic cutting model.
低颤振和噪声，当从事。
证明了这两个指标在颤振临界点处的等价性。
These two indicators are proven to be equivalent right at the flutter point.
研究开发了一种控制机床颤振的电流变减振器。
提出了直升机模型桨叶颤振试验技术及试验方法。
An experimental technique and method for flutter research of helicopter blade model are proposed.
在此基础上，对加工中的颤振和噪声做了一些讨论。
On the basis, the chatter and noise are discussed during the cutting.
轧机第五倍频程颤振表现为高频微幅的自激稳态振动。
Fifth-octave mode chatter is most likely to occur in the form of self-excited steady vibration.
风洞吹风中测出了单稳定极限环、双稳定极限环颤振的情况。
Both single and double stable limit cycle flutter states are found.
有关研究显示桥梁最低颤振临界风速可能发生在平均风与桥跨成某一偏角的斜风情况。
Some research show the lowest flutter critical wind speed may occur in skew wind case.
有关研究显示桥梁最低颤振临界风速可能发生在平均风与桥跨成某一偏角的斜风情况。
Some research show the lowest flutter critical wind speed may occur in skew wind case.
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