【Key words】 Scientific literature; Scientific output; Scientific collaboration; Scientific productive force; Scientific producitive relationship
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Secondly, using social network analysis, the paper makes the scientific literature coauthorship as the entry point to measure scientific productive relationship.
进而从数量和质量双重角度展示了中国科学生产力：科学论文的产出状况。
The scientific technology is the first productive force, and the law is the overtop structure, the two of which constitutes the dialectical relationship of function and reaction.
科学技术是第一生产力，法律是上层建筑，二者构成了作用与反作用的辩证关系。
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