Online change means that the objects being changed remain available for read and write access even during the change process.

在线更改意味着被修改的对象仍然可以进行读写访问，甚至在修改期间也是这样。

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In user mode, programs have read and write access to the user data in the process private region.

在用户模式中，程序对进程专用区域中的用户数据具有读写访问权限。

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A process can always read and write objects of the same label.

进程常常可以对具有同一标签的对象进行读写。

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