然而，bbc将不得去改变，因为广播领域到处都在改变的。
Yet the BBC will have to change, because the broadcasting world around it is changing.
数字化技术已全面的进入音频公共广播领域，对航空行业带来实质性的变革。
Meanwhile, Digital technique has already gotten into the field of audio broadcast completely, bringing material change to our professions.
如何更加方便的进行多媒体信息的互动交流，让受众得到更多的信息服务，是当前数字电视广播领域的一大需求。
How more convenient for interactive multimedia information exchange, let the audience get more information services, is currently a major area of digital television needs.
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