单词 | instantaneous centre of rotation |
释义 | > as lemmasinstantaneous centre of rotation 2. Existing at or pertaining to some particular instant. Chiefly in Dynamics, as instantaneous axis, instantaneous centre of rotation. ΘΚΠ the world > time > duration > shortness or brevity in time > [adjective] > instantaneous > relating to some particular instant instantaneous1837 1837 C. Babbage 9th Bridgewater Treat. App. K. 221 It is to be deduced..from the means of the instantaneous heights of the tide at all intervening periods. 1854 L. Tomlinson tr. D. F. J. Arago Pop. Lect. Astron. 131 Its axis of rotation may change every moment; and this multitude of axes..are called the instantaneous axes of rotation. 1886 A. G. Greenhill Differential & Integral Calculus 241 I..is the centre of instantaneous rotation of the right angle. < as lemmas |
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