英语词汇“population pyramid”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	population pyramid
释义	Definition of population pyramid in English: population pyramid noun A roughly triangular figure on a level base, the width of which at any height indicates the numbers having an age proportional to that height; a population distribution. Origin 1920s; earliest use found in American Journal of Sociology. Definition of population pyramid in US English: population pyramid noun A roughly triangular figure on a level base, the width of which at any height indicates the numbers having an age proportional to that height; a population distribution. Origin 1920s; earliest use found in American Journal of Sociology.
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更新时间：2024/12/24 8:55:17