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欠阻尼电路， alpha = 1 s ^(-1) 和 \omega_d = 3 rad/s。振荡周期是什么，幅度每个周期衰减多少因子？
欠阻尼电路， alpha = 1 s ^(-1) 和 \omega_d = 3 rad/s。振荡周期是什么，幅度每个周期衰减多少因子？
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