单词 | Lobachevski geometry |
释义 | Lobachevski geometry [lō·bǝ`chef·skē jē`äm·ǝ·trē] MATHEMATICS A system of planar geometry in which the euclidean parallel postulate fails; any point p not on a line L has at least two lines through it parallel to L. Also known as Bolyai geometry; hyperbolic geometry. |
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