It will then search the three search engines, and anonymously display the results so the user doesn't know which list of results came from which search engine.
随后它将搜索这三个搜索引擎，并且匿名地显示搜索结果，因此用户并不知道哪个结果列表出自于哪个搜索引擎。
Read on to see our list of the top 5 semantic search engines and learn how they can improve your search experience.
现在来看看我们这个5个最牛的语义搜索的名单，来看看他们将如果提高你的搜索体验。
Most search engines use an inverted index — rather than compiling a list of every single Web page and all its words, for every single word, they compile a list of the places where it appears.
大部分搜索引擎使用一种倒排索引——不是针对每个单一的单词，为每个单一的网页及其上面的所有单词都编排一个目录，而是为每个单词出现的位置编排一个目录。
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