Browsing Russian translation

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Although the \application{Software Center} provides a large library of applications to choose from, initially only those packages available within the official Ubuntu repositories are listed. At times, a particular application you are after may not be available in these repositories. If this happens, it is important to understand some alternative methods for accessing and installing software in Ubuntu, such as downloading an installation file manually from the internet, or adding extra repositories. First, we will look at how to manage your repositories through \application{Software Sources}.