Lua程序设计（第2版）中文

使用excel制作自己需要的管理软件，使用excel制作 自己需要的管理软件(Using Excel to make the management software you need)

一位学术界大师写的PPT，如何写出世界级的好paper(how to write a world class paper)

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..)

tai lieu ve hoa hoc cac ban co the coi thu cho y kein nha

这是大牛人奥本海姆写的经典教材"数字信号处理"的书后习题答案(中文)。(This is the largest cattle Oppenheim wrote the classic textbook " Digital Signal Processing," the book exercises answers (in Chinese).)

Calcules for integral, in pdf

ida的帮助文件，翻译成中文的，查函数很方便(ida' s help file, translated into Chinese, it is convenient search function)

OP27G数据手册,精密运算放大器，来自德州仪器公司。(OP27G datasheet)

西门子仿真编程软件S7-PLCSIM V5.4，用于S7-300/400系列PLC程序的仿真(S7-PLCSIM V5.4 offers the following new features with this release: DP, Industrial Ethernet and PC Internal connection types supported in addition to MPI Formerly, S7-PLCSIM used a default connection of MPI, address 2. With S7-PLCSIM V5.4, you can browse STEP 7 projects and select a networked node for establishing a simulation connection. S7-PLCSIM simulates the CPU of the selected node, all nodes that belong to that CPU, and the subnet of the selected node. Increased number of blocks supported for simulation S7-PLCSIM supports a set of OBs, SFBs, and SFCs as described in the electronic manual and online help. Of these, some are NOPs that is, they do not perform any operation. With S7-PLCSIM V5.4, the number of blocks that are not NOPs has increased.)

opnet网络仿真 清华出的，陈敏编辑，学习opnet的必读的书。主要是opnet Modeler Tutorials 翻译，对于看英语头疼的人来说，阅读非常容易~(OPNET_network_simulation)