| 单词 | time dilation |
| 释义 | > as lemmastime dilation time dilation n. [after German Zeitdilatation (1919 or earlier)] Physics the apparent slowing down of the passage of time in a frame of reference moving relative to the observer.This is a relativistic effect analogous to the increase in mass and the Lorentz contraction of length. ΚΠ 1923 H. L. Brose tr. A. Sommerfeld Atomic Struct. & Spectral Lines viii. 461 This Einstein time-dilation [Ger. Zeitdilatation] is the reciprocal of the Lorentz space-contraction. 1968 Guardian 28 Dec. 9 After two years the spacecraft's velocity would be such for ‘time dilation’ to have an effect. In other words time would be slowing down on board the craft and, to those on board, a single lifetime would be longer than for those on earth. 1981 Sci. Amer. Feb. 108/1 The relativistic effect of time dilation prolongs the life of pions and kaons that are particularly energetic. 2005 Daily Tel. (Nexis) 3 Dec. (Books section) 10 Grimwood's 9Tail Fox..messes around with time more cleverly than most SF writers could manage in light years of time dilation. < as lemmas |
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