一、问题的提出文献作为人类思想交流的媒介,作为人类社会发展的历史烙印,在科学技术愈加发达的今天,已越来越为广泛的得到交流传播,高速发展的社会,纷繁复杂的各国文化文字,形成了浩如烟海的文献,文献交流的条件也明确地表现在:(1)一致性—文献内客(用符号表达出来的)的共读性;(2)符号性—文献信息用符号表 First, the problem raised Literature as the exchange of human thought media, as the history of human development of the brand in the more advanced science and technology today, has been more and more widely exchange and dissemination, rapid development of society, the complex national culture Text, forming a vast literature, the conditions for the exchange of documents is also clearly manifested in: (1) Consistency - literature within the guest (expressed by the symbol) of the read-in; (2) the symbolic - literature information symbol table