“gun pendulum”的概念、定义、翻译、参考文献-科学参考

单词	gun pendulum
释义	gun pendulum [`gǝn ¦pen·jǝ·lǝm] ^ENGINEERING A device used to determine the initial velocity of a projectile fired from a gun in which the gun is mounted as a pendulum and its excursion upon firing is measured.
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