Relationships
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Parents |
地缘政治区域 |
Any GeographicArea which is associated with some sort of political structure. This class includes LandArea, Cities, districts of cities, counties, etc. Note that the identity of a GeopoliticalArea may remain constant after a change in borders.
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土地面积 |
An area which is predominantly solid ground, e.g. a Nation, a mountain, a desert, etc. Note that a LandArea may contain some relatively small WaterAreas. For example, Australia is a LandArea even though it contains various rivers and lakes.
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Children |
美国城市 | The class of cities that are in the UnitedStates. |
| 欧洲城市 | The class of cities that are in Europe. |
| 港口城市 | A City near a WaterArea. |