na-adjective, noun
mid-size; medium-scale
Describes something of intermediate size or scope, often used for businesses, projects, or facilities.
この地域には中規模の工場が多い。
There are many mid-size factories in this area.
中規模なイベントを計画しています。
We are planning a medium-scale event.
大規模 means large-scale, contrasting with 中規模's intermediate size.
Compound of 中 (middle) and 規模 (scale, scope).