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But the main responses are chaotic, periodical and quasi-periodical motions in supercritical speed range.
在超临界转速区，系统响应以混沌、周期分频和拟周期为主要运动形式。
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Within the supercritical speed range, the response of the rotor is periodical motion with the increase of amplitude.
在临界转速区，系统响应为周期运动，振幅相应增大。
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