surveillance system; monitoring system
Refers to an organized structure or framework for watching over people, places, or activities, often for security or management purposes.
A new surveillance system was introduced.
We need to strengthen the factory's monitoring system.
監視 is the act of surveillance or monitoring itself, while 監視体制 refers to the system or framework for carrying out that surveillance.
体制 means 'system' or 'structure' in a broad sense; 監視体制 specifies a system for surveillance.
Compound of 監視 (surveillance) and 体制 (system, structure).