个人长篇演说
发表于 2025-3-23 10:43:58
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大都市
发表于 2025-3-23 14:06:22
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Lignans
发表于 2025-3-23 21:48:17
Black Hole Simulations,ell-tested evolution formalisms: the generalized harmonic one and Z4, from which BSSN can be derived by symmetry breaking. We have also presented a robust, cost-efficient, finite-difference scheme (FDOC), which is able to evolve smooth solutions, and a more sophisticated alternative (MUSCL), suitable for weak solutions.
interrupt
发表于 2025-3-24 01:02:47
https://doi.org/10.1007/978-3-658-14891-1 models spacetime in a geometrical way: as a 4D manifold. The concept of manifold is just a generalization to the multidimensional case of the usual concept of a 2D surface. This will allow us to apply the well-known tools of differential geometry, the branch of mathematics which describes surfaces,
frugal
发表于 2025-3-24 03:57:28
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disparage
发表于 2025-3-24 06:59:17
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OREX
发表于 2025-3-24 12:06:57
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Ornithologist
发表于 2025-3-24 15:24:53
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Genome
发表于 2025-3-24 19:06:58
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子女
发表于 2025-3-24 23:35:49
https://doi.org/10.1007/978-3-531-91626-2he realistic scenarios involve some kind of matter. For instance, at large scales we have cosmological models, based on the isotropic distribution of dust (i.e., non-interacting particles). At intermediate scales there are galaxy models for dark matter, which has been modeled by using either dust or