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随着科学技术的迅猛发展，人类已进入信息时代。信息对于人们所从事的各种活动正发挥着越来越重要的作用。文献检索正是为人们更好地利用信息而采取的一种服务手段。文献，是一种社会资源．它能为科学技术的转化，提高生产力，拓宽科研领域，推动经济的高速、平稳发展起重要作?
With the rapid development of science and technology, mankind has entered the information age. Information is playing an increasingly important role in the kinds of activities people are engaged in. Document retrieval is just a means of service for people to make better use of information. Literature, is a social resource. It can play an important role in transforming science and technology, improving productivity, broadening the field of scientific research and promoting a rapid and steady economic development.