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一个地理信息系统相关，将经纬度坐标转换为高斯克吕格投影坐标。-a geographic information system related to latitude and longitude coordinates into high Shikelu:ge projection coordinates.

说明：  简单版俄罗斯方块 运用一些基本的C和C++编写而成。。。适合那些学生下载来作报告(Simple version of Tetris to use some basic C and C++ Prepared. . . Suitable for those students to make a report to download)

说明：  pca程序,一个主分量分析程序,用于提取特征直,欢迎大家下载(PCA procedures, a principal component analysis procedures for the extraction of straight and you are welcome to download!)

说明：  安卓简单小项目，任务管理器，适合做期末作品(Android simple small project, task manager, suitable for final work)

限定鼠标区域的VC的例子-limited region of the mouse example VC

说明：  对于简单的系统进行LQR线性最优控制效果，并输出一些基本结果(LQR linear optimal control effect is applied to simple system, and some basic results are output)

5级菜单 多级依次展开的CSS jQuery导航菜单，自带的示例中，有一款是带有动画缓冲效果的菜单展开风格，另一种则无动画，这款菜单效果支持比较多级的子菜单项，相信可满足那些分类比较多、比较细的网站使用，在火狐和chrome下也表现优秀。

VIRTOOLS初学案例，使用BB控制第1人称摄像机(VIRTOOLS beginner cases, the use of first person camera control BB)

Chat program source (server), download()

说明：  一阶反转曲线图谱是基于Preisach数学模型的建立实现的(The first-order inversion curve graph is based on Preisach model and realized through the establishment of mathematical model)