fertility rate
短语词组
- resuming of fertility -rate 生育率回复
- stabilizing low fertility -rate 稳定低生育率
- life -time fertility rate 终生生育率;生育率
- Parity -specific Fertility Rate 孩次率
- female -sum fertility rate 妇女总和生育率
- age -specified fertility rate 年龄别生育率
- teen -age fertility rate 早育率
- Age -Specitic Fertility Rate 年龄别生育率 返回 fertility rate