英语词汇“nine-point circle”的意思、释义、用法解释及翻译-春雷网

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词汇	nine-point circle
释义	Definition of nine-point circle in English: nine-point circle (also nine-points circle) noun Mathematics A circle passing through the mid-points of the three sides of a triangle, the feet of its three altitudes, and the mid-points of the segments of the altitudes from the vertices to their point of intersection. Origin Mid 19th century; earliest use found in William T. Brande (1788–1866), chemist. Definition of nine-point circle in US English: nine-point circle (also nine-points circle) noun Mathematics A circle passing through the mid-points of the three sides of a triangle, the feet of its three altitudes, and the mid-points of the segments of the altitudes from the vertices to their point of intersection. Origin Mid 19th century; earliest use found in William T. Brande (1788–1866), chemist.
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