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最近,美国《研究与发展》杂志进行了一项调查,从大量的读者的回复中,评选出了近30年来改变我们生活的最有影响的30种产
Recently, the United States “Research and Development” magazine conducted a survey from a large number of readers responded to the selection of the past 30 years to change our lives the most influential 30 kinds of production