国家图书馆虚拟参考咨询系统系统需求说明书（版本 3.0）2009 年 2 月 16 日下载后可任意编辑目 录1．引言..........................................................................................................................21.1 编写目的..........................................................................................................21.2 项目背景..........................................................................................................21.3 定义..................................................................................................................21.3 参考资料..........................................................................................................22．任务概述..................................................................................................................32.1 目标..................................................................................................................32.2 系统的使用者及其特点..................................................................................32.3 假定和约束......................................................................................................33.系统功能需求.............................................................................................................43.1 功能划分..........................................................................................................43.2 各模块功能描述..............................................................................................53.2.1 实时参考咨询模块...............................................................................53.2.2 表单咨询模块.......................................................................................83.2.3 咨询馆员管理模块.............................................................................123.2.4 用户管理模块.....................................................................................173.2.5 资源管理模块.................
