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niu dun de jiao xun
Author(s): 
Pages: 42
Year: Issue:  7
Journal: Anhui Fire Protection

Abstract: <正>1692年,刚满50岁的科学巨匠——牛顿,受到了一次前所未有的精神打击。一天晚上,整理了一天论文的牛顿出去散步,可是却忘记熄灭烛火。结果,烛火被小狗碰倒,发生了火灾,桌上放着牛顿凝聚了几十年心血的手稿化
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