【摘要】 文中提出,情报用户需求和情报环境有密切的关系。情报环境是一个多阶层的等级系统。作者对情报环境和情报系统的设计问题进行了探讨。更多还原

【Abstract】 The paper suggests that the demands of users for information is closelyrelated to the information environment which is a multi-stage graded system.An investigation into the problem of designing both the information environ-ment and system is dealt with by the author.更多还原