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图书馆各个部门是个有机整体,构成一个开放系统,与整个社会发生着紧密的联系,并且不断地和外界环境进行着物质、能量和信息的交流。图书馆系统其有序状态及其功能的发挥都依赖于与外界的交换而维持,即图书馆必须从外界“输入”各种信息,使图书馆的藏书结构在动态中保持平衡状态,利用信息反馈体系对自身的结构进行不断地调节和改善,以建立起一个完整的、系统的、读者所需要的藏书体系。
Each department of the library is an organic whole, forming an open system, closely linked with the whole society, and continuously exchanges material, energy and information with the external environment. The orderly state of the library system and its functions are all dependent on the exchange with the outside world to maintain that the library must “input” from the outside world a variety of information to make the library’s book structure in the dynamic balance, the use of information The feedback system constantly adjusts and improves its own structure to establish a complete and systematic collection system that readers need.