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单词 point-instant
释义

Definition of point-instant in English:

point-instant

noun
Physics
  • 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.

Definition of point-instant in US English:

point-instant

noun
Physics
  • 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:2025/6/19 11:37:04