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正方体旋转 的副本
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未命名
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单叶双曲面 的副本
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二项式分布与超几何分布 的副本
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圆锥的外接球 的副本
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平面と平面が垂直 的副本
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直线与平面垂直 的副本 (2)
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费马点问题 的副本
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正四面体内切球&外接球 的副本
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翻折外接球 二面角外接球
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正方体内切球 的副本
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球的截面交线
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