The expression limits the number of branches that the database has to search to find the relevant elements.

这个表达式限制了数据库找到相关结果所必须搜索的分支的数量。

youdao

This of course limits the flexibility of your search, but it scales much better.

这固然限制了搜索的灵活性，但得到了更好的伸缩性。

youdao

The search service daemon (searchd) is pretty low on memory usage - and you can set limits on how much memory the indexer process uses too.

搜索服务进程占用资源极小，你也可以指定内存大小的分配。

youdao

And that limits the utility of any search.

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