Smith Chart: The Smith chart, invented by Phillip H. Smith (1905-1987),is a graphical aid or nomogram designed for electrical and electronics engineers specializing in radio frequency (RF) engineering to assist in solving problems with transmission

利用C#设计c/S结构的聊天程序，包括服务端和客户端程序，两者互相通信，实现点对点的消息发送，也就是聊天程序的雏形，程序的运行效果图如图所示，在文本框中输入消息，可实现两者的接收、发送-Chat program using C# design c/S structure, including server and client programs, both to communicate with each other to achieve point-to-point message is se