For example, data replication and sync is a big problem.
例如，数据复制和同步就是一个大问题。
Now that the model is in sync with the data, you can re-paint your view.
既然模型和数据已经同步了，您可以重新绘制视图。
Data independence will remain there for sync as it is already for online access.
由于已经为在线访问提供了数据独立性，因此在同步功能中仍然保留这一特性。
However, it is possible for out of sync data situations to occur.
但是，也可能出现数据不同步的情况。
Here's how to use it to sync your iCal data on two computers.
本文就讲一下如何使用Dropbox在两台电脑间同步ical的数据。
How to sync data from web service with Core data?
如何从Web服务的核心数据同步数据？
How to sync data from web service with Core data?
如何从Web服务的核心数据同步数据？
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