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《神奇的perl》经典的入门的书籍，值得推荐(The magic of the classic Perl entry books, it is recommended)

说明：  数据挖掘方面的知识的介绍，希望对大家有帮助(data mining knowledge, we hope to help)

83_REALTEK8019as 芯片资料（中文）(83_REALTEK8019as chip data (Chinese))

说明：  C++大学基础教程，北京邮电大学电信工程学院，计算机技术中心(Essentials C++ University, Beijing University of Posts and Telecommunication Engineering, Computer Technology Center)

说明：  python编程从入门到实践，详细解释了python的学习过程(From the beginning to the practice of Python programming, it explains the learning process of Python in detail)

图解测量电子电路设计 滤波器篇 日本人写的一本书，介绍了各种滤波器的设计包括有源滤波器无源滤波器都是以图解的方式有实际的参考电路带你设计滤波器入门(Graphic measurement of electronic circuit design filter the Japanese chapter of a book written to introduce a variety of filter designs include passive filters active filters are based on graphic methods are practical reference circuit filter was designed with your entry)

某个著名博士关于如何查找文献，和学术论文发表的ppt(a famous literature on how to identify and academic papers published ppt)

SAP_ABAP_WebDynpro开发(中文)，编程详细介绍(SAP ABAP WebDynpro program)

Python入门书籍，最新版，简单易学。 Make Your Own Python Text Adventure_ A Guide to Learning Programming(Phillip Johnson (auth.) - Make Your Own Python Text Adventure_ A Guide to Learning Programming-Apress (2018))

信号与系统，（第二版）奥本海姆著 刘树棠译 西安交通大学出版社 2001，非常经典的教材，建议大家看一下(Signals and Systems, (Second Edition) Oppenheim Liu Shutang translation of Xi' an Jiaotong University Press, 2001, is a classic textbook, suggested we look at)