正如我们前面所讨论过的，Seam是现今唯一一个正确支持Web应用延时加载的Web框架。

As we discussed earlier, Seam is the only web framework today that supports lazy loading correctly for web applications.

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针对该问题，本文介绍了XML延时加载机制，该机制根据查询请求将查询所涉及到的XML数据加载到内存，避免了不必要的空间开销。

The paper introduces the lazy-loaded mechanism to solve the problem, the method can load parts of XML document to memory according to the query, therefore, avoids unnecessary space cost.

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此活动需要执行一些数据库查询操作，因此会造成加载用户主页出现显著延时。

This activity requires the execution of several database lookups and therefore significantly delays the loading of the user's home page.

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