操作系统（孙钟秀主编）第四版课后习题答案　最新发布的，南京大学正式授课PPT原件-OS　answer for the forth version by zhongxiu Sun

“高级软件工程”---北京大学计算机王老师的授课PPT-“Advanced Software Engineering”--- Department of Computer Wang teaching PPT

asp.net 教师管理系统，管理教师的个人档案、所授课程、学术研究和科学研究等信息。-asp.net teacher management system, management profile of teachers, the curriculum, the academic and scientific research and other information granted.