【化】 backscattering spectrometry (BS)
in reverse; on the contrary; turn over
【医】 contra-; re-; trans-
scatter; scattering
【计】 scattering
【化】 scatter; scattering
【医】 radiation scattered; scatter; scattering
【化】 energy spectrum
dharma; divisor; follow; law; standard
【医】 method
【经】 law