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C#生成二维码、调用摄像头扫描二维码，可直接拿来测试

这个是演示采用UDP协议进行P2P打洞对话原理的演示程序,参考的资料是:1)P2P 之 UDP穿透NAT的原理与实现（附源代码）--http://www.cnpaf.net/Class/hack/0512182034513804825.htm2)王艳平

读书专用方便快接,大家不防用用看.好下在 (Dedicated to facilitate faster access to study, do not prevent use by everyone look. Good in)

便于汽车服务行业对汽车零配件进行管理，方便办公( U4FBF u6C6 u6C6 u6C09 u09H0 )

系统服务程序源码，例程程序结合易语言特殊功能支持库，调用API函数实现系统服务程序的编写。(System service procedures, routine program combined with special features easy language support library , call the API function to prepare the system serviced.)

想学习在代码中运用工厂模式的,可以下载下来看看(To learn how to use factory mode in your code, download it)

说明：  本源码是仿真海浪运动的实例，代码有详细的注释，是初学的好例子(???)

CPU配置WDTE＝0、WDSE＝1/0， 将跳线器J27短接到OCA端。">

编写程序，要求父进程创建一个子进程，子进程对一个50*50的字符数组赋值，由父进程改变子进程的优先级，观察不同优先级进程使用CPU的时间(Written procedures that require the parent process creates a child process, the child process on a 50* 50 array of characters assigned by the parent process to change the priority of the child process, observe the different priorities of CPU time used by the process)

实现信号的调制解调功能，包括各类调制如ASK(调幅),PSK（调相）,FSK（调频）。(Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).)