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所属栏目：科技之光
所属频道：CCTV-10科教
年份：2011
展开全部
简介：人类常常需要和各种自然灾害作斗争，洪水、干旱、地震、火山爆发等等还有一切从天而降的小行星，面对这些小行星科学家们已经找到了应对方法，可现在又面临着巨风的难题。收起
《科技之光》 20110727 避免世界末日（下）
《科技之光》 20110726 避免世界末日（上）
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