这个软件选取最常见的几种振荡电路，并且你可以输入有关的元件参数（比如电感、电容的数值），让这个软件帮你算出振荡周期和频率。 -The software to select the most common of several oscillator circuit, and you can enter the relevant parameters of the components (such as inductance, capacitance values), let the soft