短語詞組短語quartz crystal frequency oscillator 石英晶體頻率振蕩器crystal -oscillator circuit 晶體振蕩器電路crystal controlled oscillator 晶控振蕩器;晶體控制振蕩器;晶體振蕩器;結晶體控制振蕩器crystal fm oscillator 晶體調頻振蕩器crystal timing oscillator 晶體定時振蕩器crystal l oscillator 晶體振蕩器crystal master oscillator 晶體主振器crystal control oscillator 晶體控制振蕩器 返回 crystal oscillator