The highly optimized implementation decreases the customization flexibility of Lucene but provides a very fast indexing engine.
高度优化的实现降低了Lucene的自定义灵活性，但是提供了一个速度非常快的索引引擎。
An indexing engine, which defines the strategy to use for text analysis (the analyzer) and the index storage to use to record indexes.
索引引擎，用于定义文本分析(分析程序)所用的策略和用于记录索引的索引存储。
Next the document is sent to the Template object, which does the real indexing, using the indexing engine specified in the configuration file.
接下来，文档将发送给Template对象，由该对象使用在配置文件中指定的索引引擎执行实际索引。
An indexing engine, which is responsible to statistically analyze the plain text (derived from the binary document) and compute a list of tokens, sorted by frequency.
索引引擎，它负责在统计层面上分析纯文本(由二进制文档派生而来)，然后计算令牌的列表，按使用频率排序。
In the second scenario, the document translator and indexing engine components and their subcomponents are externally defined through a descriptor and are instantiated using Spring.
在第二种情况下，文档转换器和索引引擎组件及其子组件通过描述符在外部进行定义，然后使用Spring进行实例化。
In the second scenario, the document translator and indexing engine components and their subcomponents are externally defined through a descriptor and are instantiated using Spring.
在第二种情况下，文档转换器和索引引擎组件及其子组件通过描述符在外部进行定义，然后使用Spring进行实例化。
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