【经】 imperfect oligopoly
few; fewness; handful; minority; paucity; small number
【经】 minority
【化】 producer
【经】 producer
control; dominate; desist; grasp; hold; manage; master; predominate; rein
rule
【计】 C; control; controls; dominance; gated; gating; governing
【医】 control; dirigation; encraty
【经】 check; command; control; controlling; cost control; dominantion
monitoring; regulate; rig
【经】 imperfect market