It is a research engine that lets you access expert content from the "Deep Web", the part of the Internet that is not indexed by traditional search engines (e.g. databases, journals etc.).
这是一个研究引擎帮助你进入专业内容的“深层网络”：那是互联网中没有被传统的搜索引擎索引或收录的信息(比如一些专业数据库，期刊等)。
It is a research engine that lets you access expert content from the "Deep Web", the part of the Internet that is not indexed by traditional search engines (e.g. databases, journals etc.).
这是一个研究引擎帮助你进入专业内容的“深层网络”：那是互联网中没有被传统的搜索引擎索引或收录的信息(比如一些专业数据库，期刊等)。
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