出生率

The birthrate in the city has been decreasing.

的出生率一直持续下降。

Birth rates are notoriously difficult to predict.

众所周知，出生率是很难预测的。

The birthrate is on the decline.

出生率在下降。

The birthrate is down this year.

今年出生率下降。

The birthrate is on the decrease.

人口出生率正在下降。

2Mean values of leaf natality(A)and leaf mortality(B).

图2叶出生率(A)和亡率(B)的平均值 Fig.

Increasingly, worried European governments are crafting natalist policies to nudge couples to have more children, from offering better child care to monthly stipends keyed to family size.

逐渐的，烦脑的欧洲政府正编织出生率政策以推动夫妻有更多小孩，从提供更好的孩童照顾到针对户量的每。