部分储存库订阅关于这些远程对象的更新，并维护每个对象的最新状态的本地副本。

The partial repository subscribes to updates about these remote objects and maintains a local copy of the last known state of each.

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Walker介绍了第一个趋势，他描述了最近出现的很多发现系统(discovery systems)，这些系统都能聚合订阅和本地内容的索引。

Walker laid out the first trend, describing the recent explosion of discovery systems featuring aggregate indexes of subscription and local content.

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当然，我们还期待着能通过手机订阅本地的报纸(甚至是付费下载应用)。

And of course, we're still waiting to subscribe to our local paper via our mobile (or even pay for a downloadable app!)

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