关键词特性描述非结构化文本内容中出现的单词和短语。

The keyword features describe the occurrences of words and phrases in the unstructured text content.

youdao

例如，可以将文本搜索限制到只匹配同一句子中出现的单词(接近搜索)。

For example, you can limit text search to terms that match only if they occur in the same sentence (proximity search).

youdao

在过去几乎100年的时间里，一般说来，这个再次出现的单词不仅针对狗，而且也针对女性。

In any case over the last almost 100 years it has reemerged not only for dogs but for women as well.

youdao

Let's assume that the user typed in a pretty short word we didn't run out of memory or anything crazy so here's the new feature.

假设用户输入,很短的单词，没有出现超出内存之类的问题,这里是新的特点。

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