基于索引的爬行程序的搜索引擎检索往往数量众多且准确度较低。
Search engine with crawler based on indexes vary in recall and is less precision.
他们有数以千计聪明的程序员、巨大的服务器、以及搜索引擎专家。
They've got thousands of smart programmers, huge server farms, and experts in search on staff.
例如，假设您想要构建一个通向应用程序的现有搜索引擎功能的SOAP接口。
Suppose, for example, that you wish to build a SOAP interface to your application's existing search engine functionality.
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