http://www.cnbeta.com/articles/236349.htm
近日，来自法国艾克斯马赛大学的科学家和研究人员组织了一项关于射击的研究。他们发现，子弹的速度跟被击穿玻璃的裂缝数量存在着一定的关系。自进行了100多次有机玻璃射击试验之后，科研人员得出结论，他们可以根据玻璃的裂缝数量推算出子弹的飞行速度。
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