[英]Normalizes token text to lower case, removes some Greek diacritics, and standardizes final sigma to sigma. [中]将标记文本规范化为小写,删除一些希腊语发音符号,并将最终的sigma标准化为sigma。 代码示例 代码示例来源:origin: org.apache.lucene/lucene-analyzers-common @Override protectedTokenStreamnormal...