一个简单的专家系统，基于VC#所编译，主要内容是知识库，规则集-A simple expert system, based on VC# compiler, the main contents of the knowledge base, rule sets, and so on

基于VC环境下的考勤管理系统，包括对各种考勤内容的记录和个人考勤记录。-Attendance management system based on VC environment, including the attendance record attendance records and personal content.