The topography of bullet surface wear was studied by using fractal theory. The irregularity and random distribution of its surface wear show the fractal characteristics.
应用分形理论对弹头磨损表面形貌进行了研究，研究表明，其表面磨损形貌的不规则和随机分布性具有分形特征。
Based on fuzzy set theory target recognition method, through CCD image collection, the difference between target and bullet track gradation were used to evaluate the firing grade.
基于模糊集理论目标识别方法，通过CCD图像采集，利用目标与弹迹灰度的不同，对射击成绩进行评价。
According to the experiments and theory analysis of the crackle on the glass by bullet hitting, we get the relationship between the glass crackle and the distance of shooting.
通过对枪弹撞击玻璃所产生的破碎裂纹进行了理论分析及实验，得出了玻璃袭纹与射击距离的关系。
According to the experiments and theory analysis of the crackle on the glass by bullet hitting, we get the relationship between the glass crackle and the distance of shooting.
通过对枪弹撞击玻璃所产生的破碎裂纹进行了理论分析及实验，得出了玻璃袭纹与射击距离的关系。
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