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水质模型分析，二维模型，一维模型，水污染分析模型。(Analysis of water quality model)

Factory 模式的两个最重要的功能： 1）定义创建对象的接口，封装了对象的建； 2）使得具体化类的工作延迟到了子类中。 (Factory mode two most important functions: 1) the definition of an object to create an interface that encapsulates the construction objects 2) makes specific class work delayed to subclasses.)

lastools工具，利用lastools工具可以將las文件轉換類型，並且可以在potree中使用(the tool of lastools)

一个模拟鼠标键盘输入的例子(-An example about how to similar to the input of mouse and keyboard)

有n个整数，使其前面各数顺序向后移m个位置，最后m个数变成最前面的m个数 (There are n integers, the number of its previous order of the backward shift m positions, the last m number of m into the number of front )

三维极坐标绘图函数，将三维直角坐标系下的绘图转变为三维极坐标绘图(Three-dimensional polar coordinate drawing function, the three-dimensional Cartesian coordinates of the system into a three-dimensional polar coordinates)

说明：  数据用socket写入到三菱系列PLC中，读取或写入数据。(send data to mitishubishi PLC with socket)

一个反褶积的VC++例子,简单明了,很适合刚刚开始学习信号分析的人(A deconvolution of VC++ Example simple, it is suitable for signal analysis has just begun to study people)

说明：  用列文伯格-马夸尔特法(Levenberg-Marquardt)进行计算，该算法既有高斯-牛顿法的局部收敛性，又具有梯度下降法的全局性。(The Levenberg-Marquardt method is used for calculation. This algorithm has both the local convergence of the Gauss-Newton method and the globality of the gradient descent method.)

Super Tetris. Greateast Game. Have fun!