核四級共振 hé sì jí gòng zhèn

DEFINITIONS

  1. nuclear quadrupole resonance (physics)

CHARACTERS

核 hé
HSK 5
seed, kernel, core, nut; atom
四 sì
HSK 1
four
級 jí level, rank, class; grade
共 gòng
HSK 2
together with, all, total; to share
振 zhèn
HSK 5
raise, excite, arouse action