英语词汇“world line”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	world line
释义	world line world line n. The path in spacetime traveled by an elementary particle for the time and distance that it retains its identity. world line world line See spacetime. world line [′wərld ‚līn] (relativity) A path in four-dimensional space-time that represents a continuous sequence of events relating to a given particle.
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