单词 | penrose diagram |
释义 | > as lemmasPenrose diagram Penrose diagram n. a (usually two-dimensional) representation of space–time in which infinity is depicted as a boundary to the finite regions.Introduced by Penrose in 1964, in C. de Witt & B. de Witt Relativity, Groups & Topology 565.extracted from Penrosen.< as lemmas |
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