第四媒体即因特网对新闻传播的实践与理论，产生了深广的影响。
The fourth medium, namely the Internet, has a great influence on the practice and theory of news propagation.
进入网络时代，独家新闻理论与实践有了新的内涵。
With its entry into the network age, exclusive news reporting has gained new implication both theoretically and practically.
因此，研究媒介生态环境与新闻自律的关系就具有一定的理论价值与实践意义。
So study media ecological environment and relation that news contain by oneself have certain theory value and practise the meaning.
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