You're familiar with a few user modification commands; now, let's talk about groups.

您已经熟悉了一些用户修改命令；现在，我们来讨论组。

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Also, the multiplatform installer makes it easy to upgrade existing RealTime activities without user modification.

此外，多平台安装程序使得升级现有RealTime活动很容易，无需用户修改。

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The dynamic modification of a user interface to only show actions that the user is entitled to perform is often regarded as an aspect of authorization.

动态修改用户界面，以仅向用户显示其能够执行的操作，这样的做法常常也被视为授权的一个方面。

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