“origin of the trajectory”的概念、定义、翻译、参考文献-科学参考

单词	origin of the trajectory
释义	origin of the trajectory [`är·ǝ·jǝn ǝv thǝ trǝ`jek·tǝ·rē] ^ORDNANCE Center of the muzzle of a gun at the instant when the projectile leaves it.
随便看	entomogenous entomology entomophagous entomophilic fungi entomophilous entomophobia Entomophthoraceae Entomophthorales Entomostraca Entoniscidae entoplastron Entoprocta entrail pahoehoe entrained fluid entrainer entrainment entrance entrance angle entrance cable entrance lock entrance loss entrance pupil entrance region entrance slit entrapment

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