global , ball-shaped
By researching the efficiency of aerial defence missilery, the paper establishes the spheriform damage rule, and using it to assess the aerial defence missilerys efficiency.
文中通过对防空导弹效能分析的研究，建立了在三维空间内计算单发防空导弹毁伤概率的圆球毁伤规律模型。
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