The information selection and broadcast has on the table the multimedia communications system and interactive television ITV.

信息点播有桌上多媒体通信系统和交互电视ITV。

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That is, newspapers, radio, television, the Internet because of their interactive nature, immediacy and open, Multimedia has become the fourth largest media forms.

即报纸、广播、电视之后，互联网因其交互性、即时性、开放性、多媒体性已成为第四大传播媒体形式。

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How more convenient for interactive multimedia information exchange, let the audience get more information services, is currently a major area of digital television needs.

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。

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