单词 | 总人口 |
释义 | 〔birthrate〕The ratio of total live births to total population in a specified community or area over a specified period of time. The birthrate is often expressed as the number of live births per 1,000 of the population per year. Also called natality 出生率:某一特定集团或区域在指定时间段内总出生人口与总人口的比率。出生率常以每年每1000人口中的出生人数来表示 也作 natality〔subpopulation〕A part or subdivision of a population, especially one originating from some other population:分组人口:总人口的一部分或分支,尤指从其他人口分出者: |
随便看 |
|
学习网英语词汇栏目收词371507余条,连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同(近)义词等多项功能,对所收词汇进行全方位的解释和说明,内容丰富,功能全面。