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de sitter space中文是什么意思

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用"de sitter space"造句"de sitter space"怎么读"de sitter space" in a sentence

中文翻译手机手机版

  • 德西特空间

例句与用法

  • Semi - symmetric spacelike hypersurfaces in de sitter space
    空间中半对称的类空超曲面
  • Compact maximal spacelike submanifolds in a de sitter space
    空间中的紧致极大类空子流形
  • Anti - de sitter space , although it is infinite , has a “ boundary , ” located out at infinity
    反德西特空间虽然无穷大,却有个位于无穷远的“边界” 。
  • A crucial aspect of anti - de sitter space is that it has a boundary where time is well defined
    反德西特时空的一个特殊性质是它有个边界,边界上还有明确的时间轴。
  • For four - dimensional anti - de sitter space , the boundary has two space dimensions and one time dimension
    对于四维的反德西特空间来说,边界则是三维的,其中两维是空间,一维是时间。
  • In particular , does anything similar hold for a universe like ours in place of the anti - de sitter space
    尤其是类似的概念是否在和我们这个世界相似的宇宙中也成立,而不是仅出现在反德西特空间中?
  • Just as the boundary of the escher print is a circle , the boundary of four - dimensional anti - de sitter space at any moment in time is a sphere
    就如同艾雪版画的边界是个圆,四维反德西特空间的边界在任何时刻都是个二维的球。
  • This paper contains three chapters . we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p . in particular , a sufficient condition for mn with constant scalar curvature to be totally umbilical is given
    讨论desitter空间s _ p ~ ( n + p )中具有平行的单位平均曲率向量的紧致类空子流形m ~ n的第二基本形式长度拼挤问题,给出了具有常数量曲率的这种子流形是全脐球面的一个充分条件。
用"de sitter space"造句  

百科解释

In mathematics and physics, a de Sitter space is the analog in Minkowski space, or spacetime, of a sphere in ordinary, Euclidean space. The n-dimensional de Sitter space, denoted dS_n, is the Lorentzian manifold analog of an n-sphere (with its canonical Riemannian metric); it is maximally symmetric, has constant positive curvature, and is simply-connected for n at least 3.
详细百科解释
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