That filename appears to be a specific part of a multi-volume compressed archive (a file), which is typically used for distributing large datasets, software, or collections of documents rather than being an "article" itself.

Since this is , you would generally need the other parts (part1.rar, part2.rar, etc.) and a utility like WinRAR or 7-Zip to extract and read the actual content.

: Often found in engineering or telecommunications repositories.