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在振动分析中，为什么自然（固有）频率很重要？
Why is natural frequency important in vibration analysis?
youdao
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系统以其固有频率振动又叫共振。
A system oscillating at its natural frequency is said to resonate.
youdao
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系统以其固有频率振动又叫共振。
A system oscillating at its natural frequency is said to resonate.
youdao