Multi Degree of Freedom motor is an advanced field in the research of motor.

多自由度球形电机是电机研究领域的一个前沿课题。

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This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.

就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。

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The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.

并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。

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To a degree, multi-system Europe exists already, in the euro and in the Schengen rules on crossing frontiers.

ECONOMIST: What kind of Europe?