单词 | speed-time |
释义 | > as lemmasspeed-time speed-time adj. ΚΠ 1917 A. T. Dover Electr. Traction ii. 8 A speed-time curve, for a run between two stations, is usually made up of periods of—(1) acceleration; (2) constant speed, or ‘free running’..; (3) coasting..; and (4) retardation or braking. 1976 P. R. White Planning for Public Transport x. 216 In urban areas, higher rates of acceleration followed by a period of coasting can enable a given schedule to be covered using less energy (this is illustrated with reference to speed-time curves in Chapter 4). < as lemmas |
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