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

单词	flatness problem
释义	flatness problem flatness problem [′flat·nəs ‚präb·ləm] (astronomy) The problem of explaining why, after 10¹⁰ years of expansion, the density parameter is of the order of 1, whereas the standard big-bang theory suggests that once this parameter deviates even slightly from 1 it very quickly approaches an asymptotic value far away from 1 for open or closed universes.
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