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1966年春季的一天,北京的一座办公楼内,工作人员正在紧张忙碌着。突然,二楼朝北的一扇玻璃窗发出轻微的破碎声。警卫人员循声查看,发现在外面一层玻璃上有一个洞,里面的第二层玻璃破裂,在两层玻璃的夹层中有一枚小口径子弹头。勘查现场,检验枪弹痕迹……专家们按照教科书上讲的方法,很快推定枪击应来自北边的快车道,但是年轻的陈警官提出了异议:勘验结果显示,玻璃破碎不均,弹道变形,应该是远距离射击造成的。
One day in the spring of 1966, staff members were busy in an office building in Beijing. Suddenly, a glazed window on the second floor north gave a slight break. Security officers followed the sound and found that there was a hole in the outer layer of glass, the second layer of glass inside ruptured, and a small-caliber bullet in the interlayer of the two-layer glass. The scene of the investigation and the test of bullet marks ... According to the textbooks, experts quickly presumed that the shooting should come from the fast lane on the north side, but the young officer Chen proposed objection that the survey results showed that the glass was broken unevenly, ballistic deformed, Should be caused by long-range shooting.