It has been included in the following international retrieval systems and databases: American Mathematical Review, Zentralblaltt MATH of Germany, American BIOSIS Previews, British Zoological Records, Russian Abstracts Journal, VINITI), American Chemical Abstracts, and American Cambridge Scientific Abstracts. It has been included in the following retrieval systems and databases in China: General Situation of Chinese Core Journals, China Scientific Papers and Citations Database (CSTPCD), China Academic Journals Comprehensive Evaluation Database (CAJCED), China Journals Full-text Database, China Academic Journals (CD-ROM Edition), China Journals Network and National Newspaper Index (Science and Technology Edition).