【经】 classification of reserves
【化】 oil gas; oil vapour
conceal; hide; store
【医】 wear
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