考试系统，。呵呵！-examination system. Ha ha!

嵌入式系统设计师考试笔记,难得的考试资料-Embedded system designers exam notes, a rare examination of information

三级嵌入式系统开发技术考试大纲（2013年版）.pdf文件，包含考试内容，考试要求，考试指导-Three embedded systems development technology syllabus (2013 edition) .pdf file that contains the content of the examination, the examination requirements, exam guide