notch frequency

例句：

1. 1. The machine has a notch frequency of 500 Hz.
   这台机器的刻槽频率为500赫兹。
2. 2. The notch frequency is critical for the operation of the circuit.
   刻槽频率对于电路的操作至关重要。
3. 3. The notch frequency affects the stability of the system.
   刻槽频率影响系统的稳定。