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高速摄影方法测定空间运动物体的轨迹是它在弹道测试中的主要应用之一,而弹道研究者所关注的不仅只是把物体当作质点,而且还要研究其形体本身在任一瞬间的姿态
The method of high-speed photogrammetry to measure the trajectory of a moving object in space is one of its main applications in ballistic testing. The researchers in a ballistic field are concerned not only with the object as a particle, but also with the attitude of the body itself at any moment