主要是比较客户书目和公司书目的异同，剔出客户已有的书目。便于客户选书下订单。 系统采用后台线程。和进度指示。 并且制作了安装程序，具备软件雏形了-Bibliography and more customers are mainly companies bibliography of similarities and differences, bound by existing customers bibliography. Easier for customers to choose t