本文试图将非欧几何之——双曲几何引入狭义相对论。
The paper introduces the one of non- Euclidean geometry - hyperbolic geometry into special theory of relativity.
我只知道在一月份，米兰就将用掉手中的那个非欧名额。
I just know that in January, Milan should use the non-EU place they have available.
目的分析与研究高斯关于非欧几何的研究和内蕴微分几何思想之间的联系。
Aim To study the relations between the thought of Gaussian intrinsic differential geometry and Gauss's earlier research on non-Euclidean geometry.
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