3D文字跑马灯特效

说明：  2d3d黑屏优化,支持打部分2的3d的，hookDX9，只要你游戏的dx版本和此对应就OK，dx版本太多不对应的自己改(2D 3D black screen optimization, support play part 2 3D, hook DX9, as long as your game DX version and this corresponding OK, DX version too many do not correspond to their own change)

远距离调频电路图，最低68M最高108M，合适在试验室进行测试-Long-range FM circuit, the minimum 68M highest 108M, suitable for testing in the laboratory

Simulation Checkers game

说明：  对加速度、速度过滤之后有加速度计算速度和位移(Calculating velocity and displacement with acceleration)

使用PC机并口作上位机操作93C46，需要inpout32.dll支持。-Operating 93C46 on LPT Port of PC. Need inpout32.dll supporting

心理声学模型，频谱绘制，把人听到的声音模型展示出来，它解释人各种听感的生理原理。有需要的可以下载参考(Psychoacoustic model, spectral rendering, there is a need to download the reference)

Ascii Art Graphics software

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.)

说明：  basic english sentence patterns

说明：  c#复习题练习，通过本练习题可以进一步巩固c#相关知识结构。(C# review exercises, through this exercise can further consolidate the knowledge structure of c#.)