   Checkpoint
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Sigma KEE - Checkpoint
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Checkpoint
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An area on or very near a border, usually along a road connecting two regions, where MilitaryPersons or PoliceOfficers restrict the flow of traffic in order to extract tarrifs, deny movement to certain kinds of people or goods, or other enforement actions. Because of the power relationship involved, such areas are often the site of Illegal activities conducted by the officials in order to extract favors or bribes.
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地理的地域 |
A geographic location, generally having definite boundaries. Note that this differs from its immediate superclass Region in that a GeographicArea is a three-dimensional Region of the earth. Accordingly, all astronomical objects other than earth and all one-dimensional and two-dimensional Regions are not classed under GeographicArea.
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