英语词汇“ballistic pendulum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ballistic pendulum
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ballis′tic pen′dulum, [Physics.] Physicsa device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass. 1770–80
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