释义 |
birthrate['bə:θreit]n. 出生率 birthrate birthrate 也作 birth rate AHD: [bûrth“r³t”] D.J. [6bT8G7re!t]K.K. [6bPG7ret]n.(名词)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 |