项目计划书，完整全套，是软件工程项目必备的文档文件-Project book, complete a full set, software engineering projects are an essential document

评估教师工作情况的系统，初学者急需的，简单易懂，PPT格式，不单调。-Assessing the teachers work the system, urgently needed for beginners, easy to understand, PPT format, not monotonous.