| 单词 | projectile theory |
| 释义 | Definition of projectile theory in English:projectile theorynoun
OriginMid 19th century; earliest use found in Baden Powell (1796–1860), physicist and theologian. Definition of projectile theory in US English:projectile theorynoun
OriginMid 19th century; earliest use found in Baden Powell (1796–1860), physicist and theologian. |
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