在串行呈现模式中，从所有后端系统检索所需数据的总体延迟为各个延迟时间的总和。

In serial rendering mode, the overall latency for retrieving the required data from all the backend systems would have to be calculated as the sum of the individual latency times.

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门户可以访问完全不同的系统、汇总内容和数据，以及将内容和数据以一种常见的外观呈现给最终用户。

The portal can access disparate systems, aggregate content and data, and then present it to the end user with one common look-and-feel.

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某些存储库(如许多文件系统)会呈现相反的情况；原始内容会被存储，但是除了文件名以外几乎无法得到元数据。

Some repositories, such as many file systems, will present the opposite case; native content is stored, but very little metadata is available beyond a filename.

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