The existing problems, which include inflexible and single teaching model, social loafing, wrong role definition and the lack of interactivity and communication, have seriously influenced its effect.
单一僵化的教学模式，社会惰化的问题，互动和交流的缺乏以及错误的角色定位严重影响了教学团队的运行效果。
With its instant speed, interactivity and high degree of engagement, Wechat has become an emerging communication channel. it is much more than a tool for chatting.
微信速度快，互联互通而且参与度高，因此成为一种新兴的通讯方式。
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；
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