The critical frequency is the function of damping and can be made as small as possible through selecting suitable damping. However the critical frequency has a lower limit.
临界频率是阻尼的函数，选择合适的阻尼可使临界频率尽量小，但存在下限。
The critical frequency is the function of damping and can be made as small as possible through selecting suitable damping. However the critical frequency has a lower limit.
临界频率是阻尼的函数，选择合适的阻尼可使临界频率尽量小，但存在下限。
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