- Upper Control Level
- Abbreviation: UCL
Универсальный русско-английский словарь. Академик.ру. 2011.
Upper Control Level
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control area — A controlled airspace extending upward from a specified limit above the earth (ICAO). The delineation of the control areas, including airways and terminal control areas, should encompass sufficient airspace to contain the flight paths of those… … Aviation dictionary
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level — {{Roman}}I.{{/Roman}} noun 1 amount/size/number ADJECTIVE ▪ elevated, high, significant, substantial ▪ record ▪ Industrial output has reached record levels. ▪ … Collocations dictionary
Control register — A control register is a processor register which changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and… … Wikipedia
control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… … Universalium
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Upper class — Is a concept in sociology that refers to the group of people at the top of a social hierarchy. Members of an upper class often have great power over the allocation of resources and governmental policy in their area. The phrase upper class has had … Wikipedia
