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《全国报刊索引》摘刊量大摘文量小,而相应学科的文献期刊则相反。它们在不同程度上偏离期刊信息的实际离散特性。因此,用不同的检索类期刊研究与期刊信息离散性有关的同一课题时,难以得到相同的结果。检索类期刊摘刊摘文量的规范化以及采用科学的综合方法是更真实地反映期刊信息离散性的有效途径。
The volume of articles cited in the “National Newspaper Index” is large, but the corresponding literature periodicals are the opposite. To some extent, they deviate from the actual discrete nature of journal information. Therefore, it is difficult to get the same result when using different search journals to study the same subject related to the discreteness of journal information. The standardization of the quantity of abstract journals in the search journals and the adoption of a scientific and comprehensive method are effective ways to more accurately reflect the discreteness of journal information.