- observed mean life
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1) фактический средний срок службы2) фактическая наблюдаемая средняя наработка
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Life on Mars — For other uses, see Life on Mars (disambiguation). An artist s impression of what Mars surface and atmosphere may look like if Mars were terraformed. Scientists have long speculated about the possibility of life on Mars owing to the planet s… … Wikipedia
Life — • The enigma of life is still one of the two or three most difficult problems that face both scientist and philosopher Catholic Encyclopedia. Kevin Knight. 2006. Life Life … Catholic encyclopedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Life expectancy — This article is about the measure of remaining life. For the Dean Koontz novel, see Life Expectancy (novel). For List of countries by life expectancy, see List of countries by life expectancy. Life expectancy is the expected (in the statistical… … Wikipedia
life span — 1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it. 2. the longevity of an individual. [1915 20] * * * Time between birth and death. It ranges from a… … Universalium
Life zone — The Life Zone concept was developed by C. Hart Merriam in 1889 as a means of describing areas with similar plant and animal communities. Merriam observed that the changes in these communities with an increase in latitude at a constant elevation… … Wikipedia
Maximum life span — is a measure of the maximum amount of time one or more members of a population has been observed to survive between birth and death. Most living species have at least one upper limit on the number of times cells can divide. For humans, this is… … Wikipedia
Regression toward the mean — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… … Wikipedia
extraterrestrial life — Introduction life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions. What are the basic requirements for life? Could life have arisen… … Universalium
Golden mean (philosophy) — In philosophy, especially that of Aristotle, the golden mean is the desirable middle between two extremes, one of excess and the other of deficiency.To the Greek mentality, it was an attribute of beauty. Both ancients and moderns realized that… … Wikipedia
фактический средний срок службы — Средняя наработка элемента на отказ, основанная на учете реального времени, в течение которого изделие находилось в работоспособном состоянии, начиная от начала эксплуатации до момента возникновения фактического отказа. Обычно для определения… … Справочник технического переводчика