出生率

The birthrate in the city has been decreasing.

该市的出生率一直持续下降.

Reduction of competition for food stimulates both natality and survival.

食物竞争的减少,刺激了出生率和存活力.

Several factors have been adduced to explain the fall in the birth rate.

有几个因素已被援引来说明出生率降低的原因。

The birth rate in this city is almost constant.

这城市的出生率几乎是不变的.

The birthrate in France has been declining for several years.

近几年来,法国的出生率一直在下降.

Poverty and illiteracy go together with high birth rates.

贫困、文盲与高出生率密切相关。

After the war there was a bulge in the birth-rate.

战后出生率激增.

The child birthrate in that area has doubled.

该地区的婴儿出生率已经增加了一倍.

Maternity services were to be reduced in consequence of falling birth rates.

由于出生率下降，产科服务会随之削减。

The graph shows a bulge in the birth rate.

图表显示出生率的暴增.

The proportion of the population was going down in the past few years.

在过去的几年里人口出生率在下降.

The birthrate is on the decline.

出生率在下降.

Birth rates are notoriously difficult to predict.

众所周知,出生率是很难预测的.

The birth rate in our country has been declining for several years.

我国人口的出生率几年来一直在下降.

The birthrate is on the decrease.

人口出生率正在下降.