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The study first defined the concept of large science popularization activity.
本研究首先界定了大型科普活动的概念。
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Science popularization is the product of labor division and social division.
科学普及是劳动分工-社会分化的产物。
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Science popularization is the product of labor division and social division.
科学普及是劳动分工-社会分化的产物。
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