- 简谐振动 jiǎnxiézhèndòng simple harmonic oscillationsimple harmonic oscillation; sinusoidal oscillation
- 谐振子 xiézhènzǐ harmonic oscillatorharmonic oscillator in physics
- 谐振动 xiézhèndòng harmonic oscillationharmonic oscillation, such as a sound wave
- 奥丁谐振器 àodīngxiézhènqì Oudin resonatorOudin coil; a high-frequency inductor used in early medical electrotherapy
- 晶体谐振器 jīngtǐxiézhènqì crystal resonatorelectronic component that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency