maintenance of public order; security maintenance
Refers to the act of keeping public safety and order, often used in legal, political, or policing contexts.
The police are working to maintain public order.
A law was enacted for the maintenance of public order.
治安 refers to public order or safety itself, while 治安維持 specifically means the act of maintaining it.
維持 means maintenance or preservation in general; 治安維持 narrows it to public order.
Compound of 治安 (public order) and 維持 (maintenance).