ISO_IEC_23917_2005

电磁计算中的矩量法的相关理论及技术，含有部分代码，适合初学者学习(Electromagnetic computation method of moments related theory and technology, with part of the code, suitable for beginners to learn)

手机的防静电设计，普通芯片的内部防静电只有2000V，如果得到更高的防静电效果，8000V，15000Ｖ等。(Cell phone anti-static design, the general chip' s internal anti-static only 2000V, if the effect of higher anti-static, 8000V, 15000V, etc..)

几篇关于机器学习的PPT课件。A few PPT coursewares about machine learning.(A few PPT coursewares about machine learning.)

微观金融学及其数学基础很实用的一本电子书(finance and maths)

说明：  golang 1.5 源码分析, 详细解析了golang的内存分配、协程等(golang 1.5 source reading book)

钱塘江流量，非常珍贵难得的资料，欢迎下载(Qiantang River flows, very precious rare information, please download )

计算机图形学 清华大学出版社 PDF格式(Computer graphics books in PDF format, Tsinghua University Press)

about dns system security system

python金融大数据分析的pdf数据，挺清晰的哦~~(Financial data analysis using python)

基于PSCAD的高压直流输电系统建模和仿真以及直流输电线路的故障仿真(Based on Fault Simulation System modeling and simulation PSCAD HVDC and HVDC transmission lines)