It is found that the system is subjected to the low-frequency excitation and occurs random vibration in the non-linear complex-mode form.

揭示了系统所受的是低频激励，以非线性复模态的形式作随机振动。

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It is found that the system is subjected to the low-frequency excitation and occurs random vibration in the non-linear complex-mode form.

揭示了系统所受的是低频激励，以非线性复模态的形式作随机振动。

youdao