The most important research is the extraction of theme words group by the means of making the vocabulary apart.

主题词群的提取研究是在几个不同的层级上进行的。

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Instead of clearing away the remnants of the extraction of resources left here, the site is given back to residents and visitors as a nature theme park and event setting.

本设计没有移除场地内采矿时（页岩开采）的遗留地貌，而是通过适当梳理、改造、增设配套设施，向居民和游客提供自然主题公园，展示其历史背景。

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The web replica detect mainly consists of two parts: First, deal with the original website, mainly the web noise purification and extraction of the theme of the web on the website.

网页查重主要包括两部分，一是对原始网页的处理，主要是对网页噪音净化以及对网页主题信息的提取；

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