英语词汇“friedmann model”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Fried′mann mod′el [Astron.]

Astronomyany model of the universe deduced from a homogeneous, isotropic solution of Einstein's field equations without a cosmological constant. Such models form the mathematical basis for many modern cosmologies and provide for expansion or contraction of the universe. Also called Fried′mann u′niverse.

named after Alexander Friedmann, (1885–1925), Russian mathematician, who made the necessary calculations in 1922

单词	friedmann model
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Fried′mann mod′el (frēd′mən),USA pronunciation [Astron.] Astronomyany model of the universe deduced from a homogeneous, isotropic solution of Einstein's field equations without a cosmological constant. Such models form the mathematical basis for many modern cosmologies and provide for expansion or contraction of the universe. Also called Fried′mann u′niverse. named after Alexander Friedmann, (1885–1925), Russian mathematician, who made the necessary calculations in 1922
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