A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
四
等
平行四形；不是直角等平行四形。
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
四等平行四形；不是直角等平行四形。
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