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文章介绍了搜索引擎与主题网关的类型与功能,并将二者加以比较,得出了它们各自的优点与不足,从而构想将二者进行有效地结合。
This article introduces the types and functions of search engines and thematic gateways, and compares the two with each other to draw their own strengths and weaknesses, so that the two can be effectively combined.