李留振 liu-zhen

残留振荡 residual vibration

共振驻留 RESONANCE DWELL

残留边带振幅调制 AM-VSB ; amplitude modulation vestigial side-band

共振点驻留 Resonance Dwell

留恋振子 Romancing the vibrator

复频式共振驻留 MULTI RESONANCE DWELL