The deepweb content is estimated at 500 times that of the surface web, yet has remained mostly untapped due to the limitations of traditional search engines.
估计深网的容量约为表层网的的500倍，由于受到传统搜索引擎的限制，大部分深网的内容有待开发。
2
It is estimated that the deepweb is several orders of magnitude larger than the regular, public world wide web.
据估计，目前互联网上的深层页面要比目前公布的页面大几个数量级。
3
To extract meaningful data from the DeepWeb, search engines have to analyze users' search terms and figure out how to broker those queries to particular databases.