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回転体
1. solid of revolutionMathematics
2. Solid of revolutionIn mathematics, engineering, and manufacturing, a solid of revolution is a solid figure obtained by rotating a plane curve around some straight line that lies on the same plane. Assuming that the curve does not cross the axis, the solid's volume is equal to the length of the circle described by the figure's centroid multiplied by the figure's area. A representative disk is a three-dimensional volume element of a solid of revolution.
Read “Solid of revolution” on English Wikipedia
Read “回転体” on Japanese Wikipedia
Read “Solid of revolution” on DBpedia
Read “Solid of revolution” on English Wikipedia
Read “回転体” on Japanese Wikipedia
Read “Solid of revolution” on DBpedia
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