《中国图书资料分类法》(第四版)修订编辑工作在国家科技部及其中国科技信息研究所的支持下,在各部门各地区图书情报单位的共同努力下,历经三年已顺利完成,该书于今年2月正式出版。该分类法在保持与前三版体系结构一致的基础上,重点修订增补自然科学与工业技术,更多反映新学科 With the support of the Ministry of Science and Technology of the People’s Republic of China and its China Science and Technology Information Institute, editing and editing of the “Chinese Library and Information Classification” (the fourth edition) has been successfully completed in three years with the joint efforts of library and intelligence units of various departments and regions. The book was officially published in February this year. Based on the consistency with the architecture of the first three editions, this taxonomy focuses on updating and supplementing natural sciences and industrial technologies and more on new disciplines