The results show that the coupled bending-torsional vibration range increases and the motion changes from periodic motion to quasi-periodic motion as the mass eccentricity rises;

结果表明：随着质量偏心的增加，弯扭耦合区的范围增大，系统运动由周期运动变为概周期运动；

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The results show that the coupled bending-torsional vibration range increases and the motion changes from periodic motion to quasi-periodic motion as the mass eccentricity rises;

结果表明：随着质量偏心的增加，弯扭耦合区的范围增大，系统运动由周期运动变为概周期运动；

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