搜索单词的词根形式将搜索词缩减成它的词根，然后再进行搜索。
Searching for the stemmed form of a term causes the term to be reduced to its word stem prior to the search.
下面的示例搜索“patern”的模糊形式或“creamy”的词根形式。
The following example searches for the fuzzy form of "patern" or the stemmed form of "creamy."
例如，要搜索在评论的“message”元素中有“disappointing”词根形式的产品的名称，可以编写下面的查询。
For example, searching for the name of a product with the stemmed form of the term "disappointing" in the "message" element of its comment can be expressed as follows.
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