Tunnel
|
|
Sigma KEE - Tunnel
隧道
|
Tunnel is a subclass of Transitways that consist of a lengthwise enclosed Hole that allows for transit underground, as through mountains, below a body of water, or beneath a city.
|
Relationships
|
|
|
|
Parents |
陆地过境通道 |
LandTransitway is the subclass of Transitway that represents areas intended for motion over the ground.
|
|
固定人工制品 |
A StationaryArtifact is an Artifact that has a fixed spatial location. Most instances of this Class are architectural works, e.g. the Eiffel Tower, the Great Pyramids, office towers, single-family houses, etc.
|
Show full definition (without tree view)
Show full definition (with tree view)
|