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1·In addition, compare Firebug output with your actual perceived performance.

另外，将Firebug输出与实际的性能进行比较。

2·In the lab, we've achieved a 1,500 container grid with no real difference in perceived performance.

在实验室中，我们实现了一个包含1500个容器的网格，而在性能上并没有感受到明显的影响。

3·This results in a perceived performance boost because data can be retrieved and processed faster.

这会使用户感觉到性能大大提升，因为数据的检索和处理速度变得更快。

4·Furthermore, perceived quality and perceived quality-price ration are used as perceived performance metrics.

并设定感知质量和感知质量价格比两个因素对感知绩效进行衡量。

5·Therefore, page rendering can easily break, and your users can be dissatisfied with your portals' perceived performance.

因此，页面呈现很容易暂停，从而使用户对门户的感知性能(Perceived Performance)很不满意。

6·The router can lazily preload modules after the app starts and before the user navigates to them for improved perceived performance.

路由器可以在应用启动之后和用户导航到惰性加载模块之前，预先加载惰性模块，以增强性能。

7·So the subtraction of user input time from total time, namely the real execution time, can truly reflect the user-perceived performance.

此时程序的“实际执行时间”，即整体执行时间与等待用户响应时间之差，才能够真实地反映用户可察觉的系统处理能力。

8·The entire process happens in fractions of a second and so has practically no impact on either the user experience or perceived performance.

整个过程发生在很短的时间内，因此几乎不会对用户体验或性能造成实际影响。

9·If an application still isn't fast enough after you've done all you can to improve the actual performance, don't forget to improve the perceived performance.

如果某个应用程序在您做了所有提高性能的努力后仍然不够快，那么不要忘记提高用户在感觉上的性能。

10·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.

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。