从本质上讲，图书馆的整个工作就是提供信息服务。目前，信息服务的格局正在发生变化。具体表现为服务模式由封闭式向开放式转变，服务重心向社会经济文化生活倾斜，服务内容向功能服务转变，服务对象向社会大众倾斜，传统的信息服务正在被电子计算机网络化信息服务所取代... Essentially, the entire job of the library is to provide information services. At present, the pattern of information service is changing. The concrete manifestation is that service mode is changed from closed to open, service center is inclined to socio-economic and cultural life, service content is changed to functional service, service target is inclined to the public, and traditional information service is being replaced by electronic computer networked information service ...