fertility rate

Their work includes the identification of genes which govern the growth rate and fertility.

他们的工作包括找出那些控制生长率和繁殖能力的基因。

China's fertility rate now averages 1.8, less than replacement.

中国生育率平均为1.8, 远远低于人口替换率.

Their work includes the identification of genes which govern the growth rate and fertility

他们的工作包括找出那些控制生长率和繁殖能力的基因。

Nugent says statistics on the fertility rate were also revealing.

Nugent说 人口出生率的统计数据也揭示了这一点.

The fertility rate of this group is 67%.

怀孕率占67%。

The fertility rate, 1.74 in 1980 a bit later in that decade, but has fallen since.

1980年, 该国生育率为1.74,在此后10年间,略有增长, 但之后又降下去了.

The fertility rate in the EU is 1.47— well below replacement.

欧盟的生育率为1.47——刚好低于替代出生率.

Unfortunately , the same cannot be said about measures to raise the fertility rate.

要生育率回升,方法似乎不多.

A fertility rate of around 2.1 is considered the level a population can replace itself.

1左右的生育率被认为是人口可以自我更新的合适水平.

China will also have an ultra-low fertility rate after 2026 and that the government should start encouraging families to have more children.

2026年以后中国也将面临超低生育率，政府将开始鼓励家庭生育更多的孩子。

The results suggests, coated materials M2 was better than coated materials M1 in controlling nutrients release rate. The experiment was conducted to study on nutrients release and movement and soil fertility applied by humid acid ( HA) compound fertilizer.

结果表明，膜材料M2的控释性能优于膜材料M1；采用盆栽试验与室内土柱模拟试验方法，研究了腐植酸复合肥中的养分在土体中的释放运移特点以及对土壤的培肥效应。