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Chủ đề
rail transit systems
rail transit system
fixed-guideway transit
rail transit
systems, rail transit
transit, fixed-guideway
transit, rail
transit systems, rail
railway systems
railway system
systems, railway
light rail transit
light-rail
light-rail transit systems
Designates rail systems operating on private but not necessarily exclusive right of way, at street level or grade separated, generally on electric power, at medium speeds (10-30 miles per hour), and generally making frequent stops at low platforms or directly at grade-level stations.
Getty Art & Architecture Thesaurus: http://vocab.getty.edu/page/aat/300155876