出生率

The birthrate in the city has been decreasing.

该市出生率一直持续。

Birth rates are notoriously difficult to predict.

众所周知，出生率是很难预测。

The birthrate is on the decline.

出生率。

The birthrate is down this year.

今年出生率。

The birthrate is on the decrease.

人口出生率正。

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

图2叶出生率(A)和亡率(B)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.

，烦脑欧洲政府正编织出生率政策以推动夫妻有更多小孩，从提供更好孩童照顾到针对户量每月津贴。