详细论述了系统的软件设计与实现，为大容量信息播发和移动用户通信提供了有效手段。

The system provides a valid measure for huge capacity broadcast and mobile user communication education.

youdao

详细论述了系统的软件设计与实现，为大容量信息播发和移动用户通信提供了有效手段。

The system provides a valid measure for huge capacity broadcast and mobile user communication education.

youdao