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科学家警告：远离外星人 人类科技落后他们太多
source link: http://tech.sina.com.cn/d/s/2018-03-03/doc-ifyrzinh2107272.shtml
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据CNET北京时间3月3日报道，遇到外星人时我们应当怎么办？跟他们愉快地玩耍，谈论谈论性和足球吗？知名理论物理学家、纽约城市大学教授加来道雄（MichioKaku）给出了一个建议：跑。在最近发布的一段BigThink视频中，加来道雄就我们与
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