If the supply voltage to TR1 is reduce enough, it shifts the frequency of the oscillations.

假如TR1的电压足够小的话，它就会改变振荡频率。

youdao

If the supply voltage to TR1 is reduce enough, it shifts the frequency of the oscillations.

假如TR1的电压足够小的话，它就会改变振荡频率。

youdao