元词是在几何学中选定的一些不加定义的基本概念,作为解释其余一切概念的本源,这些基本概念叫元词。
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要查询只与这个词汇相匹配而不与词元相匹配的文档,需要给这个词汇加上双引号。
To retrieve only documents that match the term, but not those that match the lemmas, enclose the term in double quotes.
通过确定词元,名词、代词、形容词的语型变化,以及动词词形变化都会被识别出来。
Through the identification of lemmas, inflections of nouns, pronouns, and adjectives, as well as conjugations of verbs, are recognized.
在词元方面的搜索扩展会直接应用到搜索词汇中,但不会递归作用。
The search expansion on lemmas is applied to the search term directly, not recursively.
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