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Term 1: Term 2:

(subclass Polygon ClosedTwoDimensionalFigure) Mid-level-ontology.kif 4871-4871 子類 多邊形 and 封閉的二維圖
(subclass Quadrilateral Polygon) Mid-level-ontology.kif 4911-4911 子類 四邊形 and 多邊形


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