lower frequency limit circuit 低频限制电路
lower frequency limit 频率下限
Lower Limit Frequency 频率下限
lower limit frequency circuit 低频限制电路
lower cloud point frequency limit 频率下限
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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