报纸自诞生至今几百年中作为唯一正式的新闻媒介，在很长一段时间稳坐霸主地位。进入二十世纪，广播的出现，打破了报纸在新闻领域一统天下的局面；随着以同样的基本技术作为支撑的电视的出现，终于在竞争与磨合中形成了一个时期的三分天下的局面。不同形式的媒介，都努力发挥 As the only official news media for hundreds of years since its birth, the newspaper has been able to become dominant over a long period of time. In the twentieth century, the advent of broadcasting broke the domination of the newspapers in the field of news. With the advent of the television based on the same basic technology, the situation of one-third of the world finally came into being in the competition and in the running-in . Different forms of media, are hard to play