LL V4.0图书馆自动化管理系统为在图书馆工作多年的工作人员编写，该软件完全适合中小型图书馆应用，符合中国图书馆分类法第五版标准。功能完善，符合馆员的操作习惯与工作流程。-LL V4.0 library automation management system written for many years in the library staff, the software is completely suitable for small and medium-sized library ap