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以《中文核心期刊要目总览》(庄守经主编,1992年北京大学出版社出版)中核心期刊简介部分为依据,对科技核心期刊的出版频率进行学科和类别统计如表1,表2.
Based on the brief introduction part of the core journals in the core journals of the Chinese core journals (edited by Zhuang Shou and Peking University Press, 1992), the dissertations and categories of the publishing frequency of core journals are listed in Table 1 and Table 2.