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  Longitude

Sigma KEE - Longitude

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longitude
Longitude is the class of Regions, associated with areas on the Earth's surface, which are meridians measured in PlaneAngleDegrees from the PrimeMeridian through GreenwichEnglandUK.
Relationships      
Parents region 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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