这些做法负担轻松升级版本之间容易自动安装和删除软件包。
These practices afford easy upgrades between releases and easy automated installation and removal of packages.
因此，在安装新软件之前最好删除旧的二进制软件包。
Thus, it's best to remove the old binary packages before installing the new software.
如果您在系统上发现了您不需要或不想要的软件包，删除它们。
If you find any packages you don't need or want on the system, get rid of them.
结果是要安装、删除和升级的软件包汇总以及可供安装的软件包建议。
The result will be a summary of the packages that will be installed, removed, and upgraded as well as Suggestions of optional packages that you might want to install.
如果确有冲突发生，一个对话框将提示您需要删除的软件包。
If this is the case, the dialog box will show you any packages that need to be removed.
如果确有冲突发生，一个对话框将提示您需要删除的软件包。
If this is the case, the dialog box will show you any packages that need to be removed.
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