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CTCA abbr.
abbr.	Channel To Channel Adapter (IBM, System/370)
abbr., afr.	Commission for Technical Cooperation in Africa
abbr., comp., IT	Compact Telecommunications Computing Architecture
abbr., comp., net.	channel-to-channel adapter
abbr., el.	China Telecommunications Certificate Authority
abbr., monk.	Coton de Tulear Club of America
abbr., oncol.	Cancer Treatment Centers of America (ННатальЯ)
abbr., oncol., med.	Cancer Treatment Center of America
mil.	channel and traffic control agency