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Term 1: Term 2:

(subclass RailTransportationSystem TransitSystem) Transportation.kif 2070-2070 铁路运输系统 是 运输系统 的 subclass
(subclass SubwaySystem RailTransportationSystem) Transportation.kif 318-318 地铁系统 是 铁路运输系统 的 subclass


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