变音位匹配是根据查询词的语音发音生成关键字的算法方法。

Metaphone matching is an algorithmic method for generating keys based on the phonetic pronunciation of words.

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然后将为每个关键词创建频率计数及其相关的变音位关键字。

A frequency count is then created for each of these words, along with their associated metaphone keys.

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现有方法可能涉及根据词的词干或变音位构建正则表达式，以及其他搜索词的语言派生词。

Existing approaches might involve building a regular expression based on stems of a word, or metaphone, and other linguistic derivatives of a search term.

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