Using this approach of simply altering a configuration file (in the Spring case, an XML descriptor), you can change the component's implementation to use a different indexing strategy.

使用这一简单更改配置文件的方法(在Spring情形中，更改xml描述符)，您可以更改组件的实现方式以使用不同的索引策略。

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A word, symbol, or number used as a descriptor for retrieval of information from a collection, especially in a coordinate indexing system.

用作描述符的一种字、符号或数，用于从某一集合中，特别是从某一配位标引系统中检索信息。

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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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