- three-unit system
- Контроль качества: система с двукратным резервированием, трёхэлементная система
Универсальный англо-русский словарь. Академик.ру. 2011.
three-unit system
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Per-unit system — In electrical engineering in the field of power transmission a per unit system is the expression of system quantities as fractions of a defined base unit quantity. Calculations are simplified because quantities expressed as per unit are the same… … Wikipedia
County-unit system — The County Unit System was used by the U.S. state of Georgia to determine a victor in its primary elections. Each county was given a certain number of votes and the candidate who received the highest number of votes in that county won all their… … Wikipedia
Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… … Wikipedia
Unit identification aircraft markings — Unit identification aircraft markings, commonly called tail markings after their most frequent location, were numbers, letters, geometric symbols, and colors painted onto the tails (vertical stabilizer fins), wings, or fuselages of the combat… … Wikipedia
Three Mile Island (book) — Three Mile Island: A Nuclear Crisis in Historical Perspective is a scholarly history of the Three Mile Island accident, written by J. Samuel Walker and published in 2004. Walker is the Nuclear Regulatory Commission s historian and his book is the … Wikipedia
System Shock 2 — Developer(s) Irrational Games Looking Glass Studios Publisher(s) Electronic Arts … Wikipedia
system — [sis′təm] n. [LL systema < Gr systēma (gen. systēmatos) < synistanai, to place together < syn , together + histanai, to set: see STAND] 1. a set or arrangement of things so related or connected as to form a unity or organic whole [a… … English World dictionary
Three Mile Island accident — The Three Mile Island accident of 1979 was the most significant accident in the history of the American commercial nuclear power generating industry. It resulted in the release of a significant amount of radioactivity, an estimated 43,000 curies… … Wikipedia
Unit vector — In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) whose length is 1 (the unit length). A unit vector is often denoted by a lowercase letter with a hat , like this: (pronounced i hat ). In Euclidean space … Wikipedia
UNIT — For other uses, see Unit (disambiguation). UNIT Universe Whoniverse Type Intelligence agency, military organisation Founded 1968 Location Worldwide Geneva, Switzerland Mount Snowdon, Wales (Unit Base 5) An office building in London, England The… … Wikipedia
Unit testing — In computer programming, unit testing is a method by which individual units of source code are tested to determine if they are fit for use. A unit is the smallest testable part of an application. In procedural programming a unit may be an… … Wikipedia
