名词
中文翻译：弹道学
同义词：
['ballistics', 'ballistics theory']
例句：
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1.The ballistics expert analyzed the trajectory of the projectile.
弹道学专家分析了弹丸的轨迹。
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2. The ballistics expert analyzed the trajectory of the projectile and determined its speed.
弹道学专家分析了弹丸的轨迹，并确定了其速度。
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3. The ballistics expert analyzed the trajectory of the projectile and determined its speed and direction.
弹道学专家分析了弹丸的轨迹，并确定了其速度和方向。