The shapes, maximum amplitude, stability and amplitude jump of main resonance are analyzed.

分析了主共振的振型、最大振幅、稳定性和振幅突变性。

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It is easy that the main resonance of a stepped drive shaft is analyzed with the equivalent shaft.

利用当量轴可方便地分析阶梯传动轴的主共振。

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A bifurcation equation of the steady state main resonance was obtained based on the multiple scales method.

在此基础上，用多尺度法求得稳态下主共振的分岔方程。

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It was once thought that asteroids in the main belt occasionally collided with one another, sending fragments into orbital resonance bands where they could be affected by the gravity of Jupiter or Saturn.

ECONOMIST: Celestial mechanics: A rock in a hard place | The