当加到它两端的交流电压的频率和晶片的共振频率相相等时，输出的能量最大，灵敏度也最高。

When added to the ac voltage across it and the chip frequency of the resonant frequency of the phase are equal, the maximum energy output, sensitivity is highest.

youdao

当加到它两端的交流电压的频率和晶片的共振频率相相等时，输出的能量最大，灵敏度也最高。

When added to the ac voltage across it and the chip frequency of the resonant frequency of the phase are equal, the maximum energy output, sensitivity is highest.

youdao