【化】 bench-scale research
expand; extend; broaden; enlarge; magnify; scale-up; spread; widen
【计】 enlargement
【医】 amplification
【经】 expand; expansion
experiment; test; try; try on; try out; examination; experimentation; trial
trial run
【计】 breadboarding
【医】 probation; test; tria
【经】 test; trial