Approach to the Raising ofRecallRatio and Precision Ratio in Retrieving Research Achievements

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Library and Information Service ›› 1997, Vol. 41 ›› Issue (5) : 38-39.

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 1997, 41(5): 38-39

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