| 单词 | decelerometer | 
| 释义 | decelerometern.  An instrument for ascertaining the deceleration of a moving body. ΚΠ 1924    Sci. Amer. Mar. 171/3  				A decelerometer..is being used for making tests of the effectiveness of brakes. 1958    Engineering 21 Mar. 371/3  				Recording decelerometers were found capable of giving a complete record of braking behaviour. This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018). < | 
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