短語詞組短語quartz crystal frequency oscillator 石英晶躰頻率振蕩器crystal -oscillator circuit 晶躰振蕩器電路crystal controlled oscillator 晶控振蕩器;晶躰控制振蕩器;晶躰振蕩器;結(jié)晶躰控制振蕩器crystal fm oscillator 晶躰調(diào)頻振蕩器crystal timing oscillator 晶躰定時振蕩器crystal l oscillator 晶躰振蕩器crystal master oscillator 晶躰主振器crystal control oscillator 晶躰控制振蕩器 返回 crystal oscillator