异步服务器通讯技术已经存在很多年了。
Q. Techniques for asynchronous server communication have been around for years.
DWR框架的引入实现了客户端与服务器端的异步数据通讯，提升系统的交互性，显著改善了用户体验；
The introduction of DWR framework, realizes client and server-side asynchronous data communication, enhances the system's interactivity and improves user experience significantly;
DWR框架的引入实现了客户端与服务器端的异步数据通讯，提升系统的交互性，显著改善了用户体验；
The introduction of DWR framework, realizes client and server-side asynchronous data communication, enhances the system's interactivity and improves user experience significantly;
应用推荐