lower frequency limit circuit 低频限制电路
Lower Limit Frequency 频率下限
lower limit frequency circuit 低频限制电路
lower frequency limit
频率下限
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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