The thesis first introduces the relevant knowledge of news. It includes the definition of news, news worthiness and types of news.

文章首先介绍新闻的基本知识，包括新闻的定义，新闻价值和新闻的种类。

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Slashdot focuses instead on group discussion and news-worthiness of links.

而Slashdot却将目光集中在了组讨论和链接的新闻价值上。

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Slashdot focuses instead on group discussion and news-worthiness of links.

而Slashdot却将目光集中在了组讨论和链接的新闻价值上。

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