spherical space

基本解释

In the second part, a geometric inequality on finite points set of spherical space Sn is proved.
本文讨论了球面型空间的有关度量问题，并给出了球面型空间有限点集的一个不等式。
In an age where astronauts send photographs of a spherical planet from an orbiting space station, how can the concept of a flat Earth persist?
如今，我们能看到轨道空间站里宇航员传回的地球照片，明明是个球体嘛，那平坦地球论的观点哪还能站得住脚？
By replacing the fifth postulate in the preceding paper with the condition of spherical symmetry of space we again obtain the friedmann universe in relativistic cosmology .
将前文中第五个假定改为“空间具球面的对称性”后我们仍遵出费烈特猛宇宙。