多媒体辅助语文教学的界面，主要是指运用多媒体辅助语文教学过程中，承载、传递教学信息的视觉语言的总和。
The interface of multimedia assisted Chinese teaching, mainly means the total visual languages of bearing and transmitting information during the course of multimedia assisted Chinese teaching.
此外，PDSN也可以同时作骨干网的PE, PDF在BCF和PDSN之间传递资源状态信息和承载控制信息。
In addition, PDSN can also be as PE and PDF for transferring information of resource state and information of carrying control between BCF and PDSN.
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