一、文献信息利用的层次与要求文献信息利用的直接意义主要有两方面：一是实现文献信息存在和运动的社会价值，二是达到文献信息用户进行一系列信息活动的最终目标。文献信息的繁杂、用户科学文化水平的不同和社会活动的多样，使得文献信息利用是现出层次性。（1）浅层利用。只 First, the level and requirements of the use of document information The direct meaning of the use of document information has two main aspects: First, to realize the social value of the existence and movement of documentary information; second, to achieve the ultimate goal of a series of information activities of documentary information users. The complexity of the literature and information, the different scientific and cultural levels of users and the diversity of social activities make the utilization of the literature and information is a hierarchy. (1) shallow use. only