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Sigma KEE - Estuary

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河口
Estuary is the subclass of BodyOfWater that represents WaterAreas where a sea or ocean Tide meets a River current.
Relationships      
Parents 水体 A BodyOfWater is a connected body of water with established boundaries marked by either geographical features or conventional borders.
  进口 Inlet is the class of bays or other recesses into the shore of a lake, sea, or river, includes InletPassages, which are passages leading from open water through some barrier to a bay or lagoon.
  盐水区 A WaterArea whose Water is saline, e.g. oceans and seas.


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