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Railway VehiclesRailway StructuresTrain OperationContact WireRailway VehicleRunning SafetyNational RailwaysEvaluation MethodTrack IrregularityOverhead Contact LineTest LineCurrent CollectionTest ResultsMicro-pressure WaveRailway SystemSuperconducting MagnetRunning TestSuperconducting MaglevRailway FacilitiesRide Comfort