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A search facility that can transparently search across multiple knowledge bases and combine the results.
搜索工具，可以用来透明地搜索多个知识库，并将结果组合到一起。
youdao
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A search facility that can transparently search across multiple knowledge bases and combine the results.
搜索工具，可以用来透明地搜索多个知识库，并将结果组合到一起。
youdao