【计】 classification technique
sort; class; classify; assort; divide; label; staple; system
【计】 categories; categorization; category
【化】 classification
【医】 classifieation; grouping; systematization; systematize; typing
【经】 classification; classifying; group; sort
art; science; skill; technique; technology
【计】 switching technique; techno
【医】 technic; technique
【经】 technique; technology