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单词 point-instant
释义

point-instant

Physics
noun
A mathematical point in space–time; the smallest unit of space–time.

Origin

1920s; earliest use found in Samuel Alexander (1859–1938), philosopher. After German Ortszeit (H. A. Lorentz Versuch einer Theorie der electr. u. optischen Erscheinungen in bewegten Körpern iii. 50.

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更新时间:2024/9/20 15:29:57