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地区 |
A topographic location. Regions encompass surfaces of Objects, imaginary places, and GeographicAreas. Note that a Region is the only kind of Object which can be located at itself. Note too that Region is not a subclass of SelfConnectedObject, because some Regions, e.g. archipelagos, have parts which are not connected with one another.
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自身连接物体 |
A SelfConnectedObject is any Object that does not consist of two or more disconnected parts.
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空中运输通道 | The subclass of Transitways that are through the EarthsAtmosphere. |
| | 空中航线 | The class of Transitways used to transport Air to a location where it is absent or insufficient. |
| | 陆地过境通道 | LandTransitway is the subclass of Transitway that represents areas intended for motion over the ground. |
| | 管道 | Pipeline is the class of Transitways used to transport various kinds of fluids. |
| | 临时路口 | TransitwayJunction is the class of regions where two or more Transitways meet and traffic may transfer from one transitway to another. |
| | 水路 | Waterway is the class of navigable waters, including Oceans, SeaLanes, Rivers, Canals, Lakes, and inland bodies of water. |