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《全国报刊索引》(科技版)(以下简称《索引》与《中文科技资料目录》(以下简称《目录》在报导方面存在着严重的重复现象。《索引》所用期刊,据1980年第7期统计,共有1,405种,而《目录》在1979年9月就达3,500多种。除少数品种以外,《目录》所引期刊基本上包括了《索引》所引期刊,重迭部分是相当大的。以同一类型的期刊——学报为例、《索引》1980年2、3期所引学报50种,《目录》在1979年初就达147种,《索引》在1980年1期中虽达130种,但从未超过147
The National Index of Newspapers and Periodicals (hereinafter referred to as the “Index” and the “Catalog of Chinese Scientific and Technological Information” (hereinafter referred to as “the Directory” have serious repetition in the coverage.) The periodical used in the “Index” Statistics, a total of 1,405 species, and “directory” reached more than 3,500 in September 1979. Except for a few varieties, “directory” cited journals basically include the “index” cited journals, overlap is quite large Taking the same type of journal-journal as an example, there are 50 kinds of journals cited in Index in 1980,2,3, and the catalog reached 147 in early 1979. Although the Index was 130 in 1980, , But never exceeded 147