对于运营商来说，它是对分布式资源网络中所拥有的音像资源、视听节目、广告策略进行集中管理的重要单元。
For the operators , it is an important center to manage media resources which is accommodated by the distributed resource network .
视听语言在影视广告中审美运用的地位作用。
The aesthetic status and function of Audio-visual language in film and television advertising .
视听广告