这意味着，如果向Firefox发送一个非常大的XML文件，您的用户必须等待很长时间才能看到内容显示。

This means that if you send Firefox a very large XML file, your users might have a long wait before they see anything happen.

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尽管合并选项并不总是对总体查询性能有很大影响，但是，由于它们控制用户必须等待多长时间才能看到结果，因此可能会对感觉到的性能产生影响。

While the merge options do not always have a major impact on overall query performance, they can impact perceived performance because they control how long a user must wait to see results.

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