万维网是一个很大很分散的动态的世界，但是几乎所有的实践中的和商业运作中的互联网搜索引擎都是基于一种中心集中结构。
WWW is a large distributed dynamic world, but most practical and commercially operated Internet search engines are based on a centralized architecture.
万维网在诞生了20年后正在日薄西山，当更简单、更时尚的服务——例如应用程序apps——正在越来越少关注于搜索，而越来越关注于所得的时候。
Two decades after its birth, the World Wide Web is in decline, as simpler, sleeker services - think apps - are less about the searching and more about the getting.
虽然，许多人仍然认为电子邮件和万维网作为互联网的基本要素，有很多更多的存储比电子邮件，聊天室，名人网站和搜索引擎。
Although, many people still think email and World Wide web as the principle constituents of Internet, there is lot more in store thane-mail, chat rooms, celebrity web sites and search engines.
他们认为，在庞大的万维网的生活节省搜索引擎优化。
网络蜘蛛是一类程序或自动脚本，它以自动的方式浏览万维网，作为许多网站、尤其是搜索引擎更新数据的手段。
Web spider is a kind of process or automatic script, it automatically means to browse the World Wide Web, as many Web sites, in particular, search engines to update the data means.
网络蜘蛛是一类程序或自动脚本，它以自动的方式浏览万维网，作为许多网站、尤其是搜索引擎更新数据的手段。
Web spider is a kind of process or automatic script, it automatically means to browse the World Wide Web, as many Web sites, in particular, search engines to update the data means.
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