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- Not known or familiar
Translated in 41 languages
- Not yet discovered, explored, identified, or ascertained
Translated in 32 languages
[Subject: Mathematics]
- unknown quantity
Translated by: ALEXANDER MILLINGTON SYNGE
Translated in 17 languages
- Outside knowledge
Translated by: SYLVIA VERGARA
- Not widely known; not famous
Translated in 16 languages
[Subject: Generalities]
- A thing, influence, area, factor that is unknown
Translated by: FARHAD PEZESHKI
Translated in 12 languages
[Subject: Data Processing Computer Science]
- Win95
Translated by: LI SHUQING
Translated in 4 languages