山洪灾害预测预警系统设 计 方 案深圳市特力康科技有限公司二〇一五年七月目 录第一章 概述..........................................................................................................................................31.1 项目背景................................................................................................................................................31.2 建设目标................................................................................................................................................31.3 建设任务................................................................................................................................................3第二章 需求描述及分析.......................................................................................................................52.1 业务需求................................................................................................................................................52.1.1 灾害应急的现实需求......................................................................................................................52.1.2 各级防汛办的管理需求..................................................................................................................52.2 系统需求................................................................................................................................................62.2.1 功能需求.........................................................................................................................................62.2.2 接口需求.........................................................................................................................................62.2.3 性能需求.........................................................................................................................................72.2.4 安全需求...............................................................................
