主题和关键字
双语例句原声例句
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使用新的文档特征抽取方法构造了文档的主题和关键字特征向量。
It constructs document feature vector of subject and Keyword separately by using a new method of document feature extraction.
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它也允许我们查找，特定的关键字和主题。
And it also allows us to look for certain key words and themes.
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这个工具对于那些想要轻便地跟踪关键字和话题，特别是热门主题的人来说非常有用。
This tool is very useful for anyone wanting a lightweight way to watch keywords and topics, especially if they are topical memes.
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And it also allows us to look for certain key words and themes.
它也允许我们查找,特定的关键字和主题。
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