The feed aggregator component takes several user-specified feed sources as input and then it invokes the feed reader component to get all feed items from each customized feed source.

提要聚合器组件接受几个特定于用户的提要源作为输入，然后它会调用提要阅读器组件来从每个定制的提要源获得所有的提要条目。

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As mentioned earlier, this component is combined in the same source file (rss_feed_aggregator.php) along with the feed aggregator component.

我们在前面提到过，这个组件与提要聚合器组件一起被放在同一个源文件中(rss_feed_aggregator . php)。

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Source routing allows the aggregator to respond to all senders in an economical manner.

源路由允许汇集器以一种经济的方式对所有发件人回应。

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