Occipital-Lobe
发表于 2025-3-25 04:19:10
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malapropism
发表于 2025-3-25 07:38:07
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荨麻
发表于 2025-3-25 13:04:26
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neuron
发表于 2025-3-25 19:33:23
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AVOW
发表于 2025-3-25 21:00:34
0168-1222research workers, many of whom could not participate in the school. We thank all the lecturers for their meticulous lectures, the enthusiasm they brought to th978-90-481-4902-5978-94-017-1695-6Series ISSN 0168-1222 Series E-ISSN 2365-6425
淘气
发表于 2025-3-26 03:09:48
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遗弃
发表于 2025-3-26 05:10:07
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被诅咒的人
发表于 2025-3-26 09:57:23
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omnibus
发表于 2025-3-26 12:50:42
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要求比…更好
发表于 2025-3-26 20:33:37
Tetrads, the Newman-Penrose Formalism and Spinors,t vector fields called a tetrad basis at each point of a region of spacetime. The relevant equations are written in this basis and if the tetrad is aligned according to the symmetries of the spacetime an easier set of equations may ensue which could be amenable to solution.