| 单词 | velocity-measurer |
| 释义 | > as lemmasvelocity-measurer velocity-measurer n. ΘΚΠ the world > movement > rate of motion > [noun] > in the physical sciences > measurement of > instrument tachometer1810 velocimeter1842 velocity-measurer1850 tack1963 tacho1964 tach1966 the world > matter > physics > mechanics > dynamics > [noun] > speed or direction as vector quality > device to measure or record velocity ballistic pendulum1764 tachometer1810 velocimeter1842 velocity-measurer1850 gun-pendulum1867 1850 J. Weale Rudim. Dict. Terms Archit. iv. 497/1 Such a velocity-measurer was constructed by Breguet, of Paris. < as lemmas |
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