Classification number and description. China periodical full-text database has 1 1 retrieval ways, including simple retrieval, standard retrieval, advanced retrieval, professional retrieval, citation retrieval, scholar retrieval, scientific research fund retrieval, sentence retrieval, reference book retrieval and knowledge meta-retrieval, without classification number and description. China periodical full-text database is the world's largest continuously and dynamically updated China periodical full-text database, which contains more than 9 100 important periodicals in China.
National news index database
It has collected about 8,000 periodicals in China, including Hong Kong and Taiwan, with a monthly report volume of over 6,543.8+0.8 million, an annual report volume of about 440,000, and more than 3,500 book users. Now it has published a CD-ROM database.
Reflect the development of China's politics, economy, military affairs, science, culture, literature and art, historical geography, science and technology, and provide the latest academic progress information at home and abroad.
This index is the authoritative retrieval publication with the largest variety, the widest coverage and the longest continuous publishing time in China, keeping up with the development of new literature. It is also the most important retrieval tool to find newspaper papers and materials since the founding of the People's Republic of China.
The texts are arranged by classification, including China Renmin University Book Classification and the self-compiled Newspaper Classification Table. From 1980, after imitating the Chinese Library Classification, it is arranged in 2 1 category. Since 1992, it has been comprehensively sorted out by China Book Classification (3rd edition). It has been used since 2000.