a (usually two-dimensional) representation of space–time in which infinity is depicted as a boundary to the finite regions.
| 单词 | θ80081 | 
| 释义 | the world > matter > physics > relativity > space-time > 			[noun]		 > representation of (1)		 Penrose diagram1973 a (usually two-dimensional) representation of space–time in which infinity is depicted as a boundary to the finite regions.  | 
	
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