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人类生存面临着人为和大自然灾害的严重挑战,尤其是当今世界各国之间社会与政治关系的剧烈变化,科学发展的飞速发展,以及国际秩序的调整组合,世界灾难的数量
Human existence is facing serious challenges to human and natural disasters. In particular, dramatic changes have taken place in the social and political relations between countries in the world today. The rapid development of science and the combination of adjustments in the international order, the number of world disasters