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CTT may refer to: CTT Correios de Portugal, S.A., the national postal service of Portugal. CTT (Macau), the Macau Post Office. Cycling Time Trials, the governing body for time trialling in the UK. Classical test theory. Columbia TriStar Television. ConcurTaskTrees. Custom Air Transport 's ICAO code. CTT, a specialty certification of Comp TIA.
Correios de Macau. Macau Post and Telecommunications, [a] most commonly known as CTT, [1] is an entity under the Government of Macao responsible for postal services and telecommunications regulation. The acronym CTT comes from the former name of the Portuguese postal administration ( Portuguese: Correios, Telégrafos e Telefones, lit.
The Central Intelligence Agency (CIA) / ˌ s iː. aɪ ˈ eɪ /, known informally as the Agency, metonymously as Langley and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States tasked with gathering, processing, and analyzing national security information from around the world, primarily through the use of human intelligence ...
Epidendroideae. Tribe: Epidendreae. Subtribe: Laeliinae. Genus: × Cattlianthe. J.M.H.Shaw. × Cattlianthe, abbreviated Ctt. in the horticultural trade, is the orchid nothogenus for intergeneric hybrid greges containing at least one ancestor species from each of the two ancestral genera Cattleya and Guarianthe, and from no other genera.
Classical test theory. Classical test theory (CTT) is a body of related psychometric theory that predicts outcomes of psychological testing such as the difficulty of items or the ability of test-takers. It is a theory of testing based on the idea that a person's observed or obtained score on a test is the sum of a true score (error-free score ...
ConcurTaskTrees. ConcurTaskTrees ( CTT) [1] is a notation for task model specifications useful to support design of interactive applications specifically tailored for user interface model-based design. The main features of ConcurTaskTrees are: Hierarchical structure, which provides a large range of granularity in describing large and small task ...
South America has an area of 17,840,000 square kilometers (6,890,000 sq mi). Its population as of 2021 has been estimated at more than 434 million. [1] [2] South America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America). Brazil is by far the most populous South ...
When the Pere Marquette Railroad was completed to Porter, Indiana in 1903, it also used the CTT into Grand Central Station. On January 6, 1910, the Baltimore & Ohio Chicago Terminal Railroad was created to purchase the CTT at foreclosure, giving B&O control of both the terminal railway system, as well as Grand Central Station.