space-like英s'peɪsl'aɪk美s'peɪsl'aɪkCOCA²⁵⁴³³⁷⁺⁶BNC⁴⁵⁹⁶⁰ 基本例句 类空间¹⁰⁰ In this paper, an intrinsic condition for a Compact Space-like hypersurface with constant scalar curvaturein a de Sitter space to be totally umbilical is obtained. 在这篇文章中,讨论了具有常数量曲率的拟紧致超曲面,并给出了它是全脐子流形的一个全脐条件。 d.wanfangdata.com.cn