mobile police; rapid response police unit
Refers to a police unit equipped for quick deployment, often using vehicles or special equipment. The term is associated with the fictional Patlabor series but also describes real-world rapid response units.
The mobile police head quickly to the scene in an emergency.
アニメ「機動警察パトレイバー」は有名だ。
The anime 'Mobile Police Patlabor' is famous.