Experimental results show that, by using the proposed method, the accuracy of text topic identification reaches 82% and that of paragraph topic identification reaches 70%.

实验结果显示，该方法对文本主题识别的准确率达82%，对段落主题识别的准确率达70%。

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The sentences within each paragraph should be related to a single topic.

每个段落中的句子应该与一个主题相关。

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Be sure you don't change the subject in the middle of a paragraph, and be sure that everything under one heading in your outline is about the same general topic.

确定你并没有在段落途中改变主题，同时也确定在你的大纲中那些属于同个标题的内容都关乎同个主题。

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Along the way, Winchester pauses every third paragraph or so to delve into some topic that is not, at first glance, relevant to his story: Lloyd's of London, for instance, or the Reuters news agency, or Dutch colonial policy in Java, or the biological theories of Alfred Russel Wallace.

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Two years ago, founder Brian Scudamore e-mailed the producers of the Oprah Winfrey show asking--in all of one paragraph--to be featured on any upcoming segment having to do with home renovation, a popular topic among the show's viewers.

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