"二次曲" Chinese-English Dictionary

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Chinese Pinyin Translation Actions
二次曲 èr cì qū quadratic curve / conic section (geometry)
Chinese Pinyin Translation Actions
二次曲面 èr cì qū miàn quadric surface (geometry)
二次曲线 二次曲線 èr cì qū xiàn quadratic curve (geometry) / conic

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