略語大辞典 [C] 26 TIRS transportation infrastructure radio services 道路交通公共無線サービス. 自動車輌交通監視システムの機能.transportation infrastructure radio services; an electronic vehicle monitoring; a service of AVM(automatic vehicle monitoring) (system); ref. LMS(location and monitoring service); [C:E:Traf]. 丸善「略語大辞典」JLogosID : 11852076