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近几年来,新发表的化学、化工文献的增长速度已有所减慢。在1976—1980期间,美国化学文摘(CA)所登录的文献数目平均每年的增长率为4.6%;而在
In recent years, the newly published chemical and chemical literature has slowed down. Between 1976 and 1980, the annual increase in the number of articles registered by the American Chemical Abstracts Service (CA) was 4.6%