目录1 引言................................................................................................................................................21 。 1 编写目的 .......................................................................................................................... 2 1.2 背景 ..................................................................................................................................... 2 1 。 3 定义 .................................................................................................................................. 2 1.4 参考资料 ............................................................................................................................. 3 2 总体设计 ........................................................................................................................................ 3 2.1 需求规定 ............................................................................................................................. 3 2 。 2 运行环境 .......................................................................................................................... 3 2.3 基本设计概念和处理流程 ................................................................................................. 4 2 。 4 结构 .................................................................................................................................. 9 2.5 功能需求与程序的关系 ................................................................................................... 1 52 。 6 人工处理过程 ................................................................................................................ 1 62.7 尚未问决的问题 ............................................................................................................... 1 63 接口设计 ...................................................................................................