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从1857年第—届世博会开始,信息产品或信息技术已成为世博会常客,也成为每一不断进步的科技水平和社会时代的缩影。
From 1857 - the first session of the World Expo, information products or information technology has become a frequent visitor to the World Expo, has become a microcosm of every progressive technological level and social era.