本世纪以来,随着图书馆的作用渗透到教学、科研和生产全过程中去,并同国民经济发生了密切的联系,智力劳动量也随之迅速增加,导致了图书资料的出版品种多、分布广、内容相互交叉相互渗透。现代的图书馆不单纯是社会文化教育机构了。在典藏品种、读者对象、服务手段等方面都发生了根本的变化。这些变化促进并扩大了图书馆的社会功能,即增加了社会对它的依赖属性。但是,另一方面,在科学事业突飞猛进,图 Since the beginning of this century, with the infiltration of libraries into the whole process of teaching, scientific research and production, and with the close connection with the national economy, the amount of intellectual labor has also risen rapidly, resulting in a great variety of books, Widely distributed, the content interpenetrates each other. Modern libraries are not simply socio-cultural education institutions. In the collection of varieties, readers, services, etc. have undergone fundamental changes. These changes have promoted and expanded the social function of libraries, increasing the social dependence on it. However, on the other hand, the scientific career has progressed by leaps and bounds