[分化] oscillographic polarograph

... phase detection,相位检验测定 oscillographic polarograph,示波极谱仪 piezoelectric acceleration transducer,压电式加速率传感器 ...

 oscillographelloc polarograph

... natural frequency,本来就有频率 oscillographelloc polarograph,示波极谱仪 photoelectric fluxmeter,光电磁通表 ...