文档介绍：JSS9620门禁系统
方案
北京嘉士保全科技有限公司
目录
第一章概述············································································································2
第二章用户需求分析····························································································3
1、用户需求分析····························································································
2、系统功能需求····························································································
3、系统功能模块·······················································································