СЦИ
- Code
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Meaning
Language
Themes and places
- СЦИ
-
Синхронная Цифровая Иерархия
= SDH | Synchronous Digital Hierarchy | In English
= SDH | Synchrone Digitale Hiërarchie | In Dutch
= SDH | Synchrone Digitale Hierarchie | In German
= SDH | Szinkron Digitális Hierarchia | In Hungarian
= SDH | Synkron Digital Hierarki | In Swedish