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BNC: 43067 COCA: 22705
ballistics
noun [U] science /bəˈlɪstɪks/
  1. the scientific study of the movement of objects or weapons that are fired into the air 弹道学
     Synonyms and related words
    Scientific areas of study: aerodynamics, aeronautics, anatomy...
BNC: 43067 COCA: 22705
BNC: 43067 COCA: 22705

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