调和振动 tiáo hé zhèn dòng

DEFINITIONS

  1. harmonic oscillation

CHARACTERS

调 tiáo
HSK 3
transfer, move, change; tune
和 hé
HSK 1
harmony, peace; peaceful, calm
振 zhèn
HSK 5
raise, excite, arouse action
动 dòng
HSK 2
move, happen; movement, action