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说明：  输入一段字符串 统计其中各类字符的数量（数字类 字母类 空格 其他）并输出(Enter a string in which all kinds of statistics on the number of characters (the number of types of letters of other types of spaces) and output)

dll动态链接库的另一个简单的用法 希望对初学者有用(Another simple dll dynamic link library usage is useful for beginners)

这是一个Visual Basic 源代码程序，它通过变更用户权限的方法，让某一个应用程序在相对安全的状态下运行，从而提高系统的安全性。(This is a Visual Basic source code program, change user permissions, so that an application running in the relative safety of the state, to improve the security of the system.)

graph drower MFC with dynamic scaling y-axis

Random Rectangle drawing and timing Random Line drawing and,(The Random Rectangle drawing and timing the Random Line drawing and,)

该程序能够实现计算器程序设计，采用C++编程，来自C++程序设计原理与实践。(The program can achieve calculator program design, using C++ programming, program design from C++ Principles and Practice)

说明：  根据地层参数通过简化佐普利兹方程求取反射系数，制作合成地震记录，从而显示不同地层模型的AVO响应。(In accordance with formation parameter equation by simplifying佐普利兹find reflection coefficient, the production of synthetic seismograms, which show different stratigraphic model AVO response.)

仿真图是速度、距离、幅度三维图像，做视觉测量的上位机代码,基于掌纹识别的在线身份验证 识别算法本科毕设。( FIG simulation speed, distance, amplitude three-dimensional image, Do Vision Measurement PC code, Verify recognition algorithm based on palmprint recognition undergraduate complete set of online identity.)

STM32的IAP升级程序，已经是可以用的，是用SD卡升级的程序，简单好用，有需要的朋友可以直接用(The STM32 IAP upgrade process, it is already possible to use, is to use the SD card upgrade program, easy to use, a friend in need can be directly used)

在 Visual C++中操作Excel,对开发数据库管理系统很有意义(Operation Excel in Visual c + +, is very meaningful to the development of database management system)