fertility rate
短语词组
- resuming of fertility -rate 生育率廻複
- stabilizing low fertility -rate 穩定低生育率
- life -time fertility rate 終生生育率;生育率
- Parity -specific Fertility Rate 孩次率
- female -sum fertility rate 婦女縂和生育率
- age -specified fertility rate 年齡別生育率
- teen -age fertility rate 早育率
- Age -Specitic Fertility Rate 年齡別生育率 返回 fertility rate