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Sigma KEE - RailTransportationSystem
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铁路运输系统
RailTransportationSystem is the subclass of
TransitSystem
s whose routes are
Railway
s.
Relationships
Parents
运输系统
A
TransitSystem
is a system of interconnected
Transitway
s over which some type(s) of vehicles or travellers may pass. In addition to
Transitway
s,
TransitSystem
s may also include TransitJunctions and
TransitTerminal
s. Transit systems may be demarcated by where they are located (e.g., the rail system of
Afghanistan
), who owns or manages them (e.g., American Airlines
TransitSystem
of
AirRoute
s, or state highways managed by TexDOT), or the type of vehicles or travellers accommodated (e.g., the system of Santa Clara county bike trails.
Children
地铁系统
Any
RailTransportationSystem
that runs exclusively through
Tunnel
s.
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