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说明：  matlab和xfoil之间的接口，直接通过运行matlab运行xfoil，输入翼型坐标数据得到翼型的气动参数。(The interface between MATLAB and xfoil can directly run xfoil by running matlab, and the aerodynamic parameters of airfoil can be obtained by inputting airfoil coordinate data.)

【实例简介】在PCB板中实现螺旋走线在任何一个EDA软件中都是比较难实现的。 示例将介绍使用脚本程序直接在AD6的PCB环境下直接绘制出螺旋线，操作简单。脚本有网友编写免费提供分享。

说明：  大量的ppt模板使用，喜欢可以下载。自己可以修改模板(A large number of PPT templates are used, which can be downloaded if you like. You can modify the template yourself)

说明：  Python机器学习算法—赵志勇，包含电子版书籍和随书代码，供大家学习。(Python Machine Learning Algorithms - Zhao Zhiyong, including electronic books and accompanying codes for everyone to learn.)

说明：  ANSYS单元的中文翻译,详细介绍了各单元的用途.(Chinese translation of ANSYS element, setting out in detail the use of the unit.)

混沌吸引子的MATLAB程序的实现，在这个基础上可以去掉前面的暂态点，调整视角，全方位地观察混沌吸引子的几何结构。-Chaotic attractor MATLAB program implementation, on this basis can be removed in front of the transient point, adjust the viewing angle in all directions to observe the geometry of chaotic attractors.

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说明：  在研究如何嵌入打开office的doc和ppt等文件格式时，编制的一个demo，有参考价值(When researching how to embed and open document formats such as Doc and PPT of office, a demo is compiled, which has reference value.)

基于HC138和HC595驱动数码管，仿真加C语言程序(Based on HC138 and HC595 driven digital control, simulation plus C language program)

A solver with 1order up-wind style to 2D incompressible viscous Couette