It is a presentation on scale invaraint. It is quite helpful for biggeners

VBA For Excel 2000 资料-Excel 2000 VBA For information

C是C++的基础，C++语言和Ｃ语言在很多方面是兼容的。因此，掌握了Ｃ语言，再进一步学习C++就能以一种熟悉的语法来学习面向对象的语言，从而达到事半功倍的目的。- C++ language and C language in many respects, are compatible. Therefore, the master of the C language, a further C++ will be able to study in a familiar with the study of grammar to object-oriented language, so as to achieve the purpose of a multiplier.

包含linux的基础命令以及shell脚本的编写-linux,shell

介绍了74系列芯片的各种性能和各个管脚的信息是学习74系列芯片的好帮手-Introduced the 74 series chips and a variety of performance information is to learn from each pin 74 series chips is a good helper

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北航夏宇闻的关于verilog的经典教材，想学习verilog的人，可以下载学习一下，还是比较系统的好教材。-XIA Yu-Wen BUAA on Verilog classic materials, those who want to learn Verilog, you can download to learn about the system is still relatively good material.

windows 内核介绍。-windows kernel introduced.

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基于vc++的数据挖掘书籍，适合于了解数据原理。-Vc++-based data mining books, suitable for the principle of understanding the data.