The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle, just might represent the shape of the universe.
双曲表面,即通常所称的负曲率,因为它的表面曲线同时有的向上和有的向下,像一个马鞍,也许这样就可以代表宇宙的形状。
There has never been a better time to shape the future of computing.
塑造计算界的未来,以前从来没有如此之好的机会。
But this is the first time it has been proved that the odd shape improves their eyesight.
不过,这是第一次证明这种奇异的头型提高了它们的视力。
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