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说明：  计算微波吸收中的阻抗匹配问题，输入复介电常数和复磁导率可以得出阻抗(he impedance matching in microwave absorption can be obtained by inputting complex permittivity and permeability. Impedance matching can be obtained by inputting complex permittivity and permeability. Impedance can be obtained by inputting complex permittivity and permeability)

说明：  采用改进的Euler方法求解数值解，给出了仿真源代码。(The improved Euler method is used to solve the numerical solution, and the simulation source code is given.)

一个电子邮件收发的程序，时我这学期的课程设计作业-an e-mail procedures, I am of course this semester design operations

运价查询系统,商用源码,请下载学习研究,密码在文档里有提供.-Freight inquiry system, commercial source code, please download the study and research, the password provided in the document there.

qt 开发的聊天源代码，使用 qtcpsocket 开发，容易看懂( qt source for tcp client)

仿照飞信，网络编程。像飞信一样，自由添加客户端用户。(Modeled Fetion, network programming.)

ASP +sql数据库开发实例精讲，有很多好的例子，比较适合初学者！-ASP+ Sql database development精讲example, there are many good examples, more suitable for beginners!

枚举网络设备的程序, vc6开发, 新手可以参考!(Enumeration of network equipment procedures, vc6 development, novice can refer to!)

用Visual C++编写的UDP客户端程序。(Using Visual C++ Prepared UDP client program.)