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1序回首20世纪，我们为人类取得的科技进步所自豪，又为人类所面临的日益严重的环境问题而忧虑，人类的生存环境在日趋恶化，远远超过了我们的想象。环境对于经济、对于人类未来命运影响的严重性，已经远远超过了科技界的范围，正日益为地球上所有生活着的人们所关注。1972年以
In the 20th century, we are proud of the progress made by mankind in science and technology and are worried about the increasingly serious environmental problems that mankind faces. The living environment of mankind is deteriorating far beyond our imagination. The severity of the impact of the environment on the economy and the destiny of mankind has far exceeded the scope of the scientific and technological community and is increasingly paying attention to all those living on earth. 1972 years