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将笛卡尔坐标系上的点定义为一个服务类Point，Point类提供求得坐标系上两点间距离的功能、获取和设置坐标的功能、获取极坐标的功能，和完成对已创建的Point类对象统计功能。设计测试Point服务类的应用程序主类，测试并显示输出提供功能的结果。(求以点(1,1)为极坐标原点，点(5,5)的极坐标)-Will be a point on the Cartesian coordinate system is defined as a service class Point, Point class provides coordinates obtained on the function of the distance between two points, access and set coordinates, polar coordinates to obtain functions, and the completion of the Point that have been created class object statistical functions. Design Test Point service class application" s main class to provide functionality to test and display the output results. (Seeking to point (1,1) to polar coordinates origin point (5,5) in polar coordinates)

堆栈的基本应用（用于通讯录）适于初学者加深对其理解学习。-The basic application of the stack (for address book) for beginners to learn to deepen their understanding.

这是 c8051f500 PCA 源代码，使用 16 位模式。它可以输出 CEX0 脉宽调制。

考虑了外加磁场的ISING MODEL 模拟 要用fortran软件包打开-Consider the external magnetic field simulation using the ISING MODEL package fortran open

内含ppt介绍C#多线程的相关知识，对于相关人员具有借鉴意义-Multithreading

这是卡耐基梅隆大学的ssd课程中的ssd5的ex3-this is the icarnegie ssd5 ex3

实现卷积，DFT FFT 算法的源代码，希望对一些朋友会有帮助 -Realize convolution, DFT FFT algorithm source code, in the hope that some of my friends will be helpful

判断一棵二叉树是否为二叉搜索树的算法-judge whether a binary tree search for the binary tree algorithm

an application on the structures using arrays and pointers