科技查新服务调查与分析研究--基于教育部查新站收费标准的数据
과기사신복무조사여분석연구--기우교육부사신참수비표준적수거
A Research on the Investigation and Analysis of the Novelty Search Service--Based on the Statistics of the Fee-charging Standard of Novelty Search Service Station in the Ministry of Education
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