生育率的例句大全

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.

Teenage females in Britain exhibit the greatest birth rate compared to other Western European nations.

英国青少年女性的生育率高于其他西欧国家。

Unwed birth rates are soaring at an alarming rate.

未婚生育率正以惊人的速度飙升。

Women's total birth-rate dropped from 2.31 to about 2.0.

妇女总和生育率由 2.31 下降到2.0左右.

Where all these things are present, fertility rates tend to go up.

如果这些都齐备, 生育率就会上升.

Ovarian tissue cryopreservation with transplantation is a promising technique to safeguard fertility in cancer patients.

卵巢组织冷冻保存与移植是一种很有前途的技术,以保障癌症患者的生育率.

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.

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.

Demographers say a rate of 2.1 is needed to keep a population from declining.

人口统计学家指出,生育率必须达到2.1,才能防止人口减少.

Out-of-wedlock Birth rates have plateaued for Blacks.

黑人的未婚生育率已经不再增加.

The birth rate among professional women is particularly low.

职业女性的生育率则更低.

Hong Kong is one of the territories experiencing the lowest-low fertility in the world.

香港是世界上生育率水平最低的 超低 生育率地区之一.

But they had the effect of increasing fertility.

但它们却产生了促进生育率的效应.

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.

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.

The new numbers suggest the second year of a baby boomlet, with U.S.fertility rates higher in every racial group, the highest among Hispanic women.

新的数字显示，第二年的婴儿热潮，美国生育率高于一切种族集团，最高的是拉美裔妇女。

But if RRAC was relatively small, then mortality and fertility were positively correlated while mortality and economic growth rate were negatively correlated.

当风险厌恶系数较小时，生育率与死亡率是正相关的，经济增长率与死亡概率也是正相关的。

Michael Murphy, professor at the London School of economics, said the steady trend to have children later was likely to be "a very important factor in the apparent low levels of fertility" around the turn of the century.

伦敦政治经济学院（london school of economics）教授迈克尔墨菲（michael murphy）表示，推迟生育的稳定趋势可能是导致世纪之交“生育率明显偏低的一个非常重要的因素”。

High fertility in sub-Saharan Africa and southern Asia is impeding economic development and perpetuating poverty, the UN Population Fund has warned.

联合国人口基金（UN Population Fund）警告称，撒哈拉以南的非洲地区和南亚的高生育率，正对经济增长和消除贫困构成阻碍。

The Changes of Social Mobility Mechanism's Effects on Fertility Rate in Rural

社会流动机制的转变对农村生育率的影响