“cup-nosed projectile”概念、定义、翻译-科学时代

单词	cup-nosed projectile
释义	军事词汇手册 cup-nosed projectile （炮兵）凹头弹
随便看	principal at face value principal auditor principal auditor principal axis principal axis principal axis principal axis principal axis principal axis of inertia principal axis of inertia principal axis of inertia principal axis of inertia principal axis transformation principal belligerent principal block principal boy principal budget factor principal bundle principal carrier principal cause of death principal cell principal challenge principal clause principal component principal component analysis

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。