Documentary information science and bibliographic information theory, being as two important academic achievements of library science, have important theoretical and practical significance.
文献信息学和书目情报理论作为图书馆学两个重要的学术成果，具有重要的理论与实践意义。
Documentary information science and bibliographic information theory, being as two important academic achievements of library science, have important theoretical and practical significance.
文献信息学和书目情报理论作为图书馆学两个重要的学术成果，具有重要的理论与实践意义。
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