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统计分析1994~1999年EI收录的中国科技期刊的种数,以及期刊的学科分布情况,指出了EI的印刷版(年卷本)与EI光盘版收录中国科技期刊所存在的差异。
The number of Chinese sci-tech journals collected by EI from 1994 to 1999 was statistically analyzed, and the subject distribution of journals was also analyzed. The differences between EI scrolls and EI sci-tech journals were pointed out.