主要用于基础英语的网络课件制作，包括课程简介，前几单元的课件和练习。-Mainly used in basic English courseware production network, including course descr iption, the former a few of the courseware and training modules.

清点和检查提供的IP音频处理单元文档的数量和内容。-Inventory and inspection to provide audio processing unit of the IP number and content of documents.