【计】 unit construction principle
cell; unit
【计】 cell; LOC; U
【化】 element
【医】 element
frame; structure; composition; configuration; construction; fabric; mechanism
【计】 frame work
【医】 constitution; formatio; formation; installation; structure; tcxture
elements; philosophy; principium; principle; theory
【化】 principle
【医】 mechanism; principle; rationale
【经】 ground work; principle