用于计算空气指数AQI的程序，输入SO2 NO2 PM10 CO O3 PM2.5数据即可 单位纳毫克-Used to calculate the air index AQI program, enter the SO2 NO2 PM10 CO O3 PM2.5 data can be in satisfied mg

通过pm2.5浓度计算对应的AQI值-AQI value is calculated by pm2.5 corresponding concentration. . .

该源码是qt4开发实践-郑阿奇的源码实例。可以供qt学习者学习。-The source code is the source code of QT4 development practice- Zheng Aqi. Can be used for QT learners to learn.

Visual+C#网络编程[郑阿奇][程序源代码]，练习的程序，其中与12个项目，包括一些较大的即时通讯和邮件收发(Visual+C# network programming [source code] Zheng Aqi [], practice procedures, with 12 projects, including some of the instant messaging and e-mail)