This text search package and its associated functions, referred to as the text search engine, is specifically designed to perform fast retrieval and automatic indexing of text data.

这个文本搜索包和它的相关函数被称为文本搜索引擎，它是专门设计用来执行文本数据的快速检索和自动索引。

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I demonstrated data retrieval using db4o's QBE engine last time, but I'll quickly recap here.

上一次我使用了db4o的QBE引擎演示了数据检索，这里将快速回顾一下。

youdao

Full-text retrieval is an important information retrieval technology. It is a powerful tool for dealing with nonstructural data, and is one of the key technologies of the search engine.

全文检索是现代信息检索技术的一个非常重要的分支，它是处理非结构化数据的强大工具，也是搜索引擎的核心技术之一。

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