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说明：  模拟电子技术的课件，感觉挺有用的，一些基本的理论知识(Analog electronics technology courseware, I feel quite useless, some basic theoretical knowledge)

说明：  control system engineering ogata

说明：  STATA软件强大的绘图功能，帮助你轻松学习，从此不再烦恼。(STATA software, powerful graphics capabilities, to help you easily learn, never again worry.)

说明：  Excel VBA 编程入门的简单介绍。初学者可以看看。(Excel VBA Programming Introduction to the brief introduction. Beginners can take a look.)

通过插图详细解说了用modelsim仿真VHDL程序的过程，适于初学者。(Through the illustrations a detailed explanation of VHDL using modelsim simulation course of the proceedings, suitable for beginners.)

说明：  本教材各章节的主要算法都给出了 MATLAB 通用程序。为了更好地配合本书的教学，书后编写了一个附录，简明扼要地介绍了数学软件 MATLAB 的入门知识和必要的程序设计和绘图等基本技能技巧。个人感觉很实用，推荐给大家！(The main algorithms in each chapter of this textbook give MATLAB general procedures. In order to better match the teaching of this book, an appendix is written after the book, which briefly introduces the introductory knowledge of the mathematical software MATLAB and the necessary basic skills such as programming and drawing. Personally feel very practical, recommended to everyone!)

电力系统可靠性教材，电力系统可靠性评估分析(Power System Reliability Textbook, Power System Reliability Assessment and Analysis)

C语言程序设计谭浩强，两个字 ----经典(C Programming Language Tan strong word-classic)

说明：  力扣网面试题答案，源码，供大家参考参考，祝大家面试顺利(The answer to the interview questions on the Internet, source code, for your reference, I wish you a smooth interview.)

In many areas of commerce, government, academia, and hospitals, large collections of digital images are being created. Many of these collections are the product of digitizing existing collections of analogue photographs, diagrams, drawings, paintings, and prints. Usually, the only way of searching these collections was by keyword indexing, or simply by browsing. Digital images databases however, open the way to content-based searching. In this paper we survey some technical aspects of current content-based image retrieval systems.