同时，弯振和扭振分叉图可分为四个运动区，质量偏心对这四个运动区的影响各不相同。
The bifurcation diagrams of bending and torsional vibrations can be divided into four zones which have different influence of mass eccentricity.
本文通过分析推导，找出了罗拉扭振纱疵的特征方程，并就其波谱图、曲线图、布面外观特征进行了研究。
Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.
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