专利文献是一种信息源,被人们誉之为“智能宝库”,“发明向导”,在用之于四化、造福人类中起着重要作用。它所包含的技术情报比其它出版物更新、更广、更详尽、更可靠,有统一的格式,科学的分类和系统的检索。专利文献是及时了解世界最新技术成果,进行发明创造必不可少的参考资料。 Patent literature is a source of information, and people are hailed as “smart treasures” and “invention guides”, which play an important role in the use of the four modernizations and the benefit of mankind. The technical information it contains is updated, broader, more detailed, and more reliable than other publications, has a unified format, scientific classification, and systematic retrieval. Patent literature is an indispensable reference for the timely understanding of the latest technological achievements in the world and for the creation of inventions.