该子系统由网络课程直播模块和实时交互模块两大模块组成。
This subsystem includes an E-course live broadcast module and a real-time interaction module.
通过应用案例证明了该实时交互模块具有良好的交互功能，满足网络课程直播环境下实时交互的要求，达到了预期的目的。
It was proved in the application that this real-time interaction model has good effect, and meets the requirements of real-time interaction in E-course live broadcast learning environment.
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