Spectral bands are part of optical spectra of polyatomic systems , including condensed materials , large molecules , etc . Spectral bands are part of the optical spectra of multi-atomic systems , including condensed materials , large molecules , etc .
Jalur spektrum adalah sebahagian daripada spektrum optik sistem poliatomik, termasuk bahan pekat, molekul besar, dan lain-lain. Jalur spektrum adalah sebahagian daripada spektrum optik sistem pelbagai atom, termasuk bahan pekat, molekul besar, dan lain-lain.