birth rates的意思

n.人口出生率( birth rate的名詞復數 )

birth dates───出生日期

birth rate───出生率

birthrates───n.出生率

birth date───出生日期

birth names───本姓

birth-rate───出生率

birthdates───n.生日，出生年月日

birthrate───n.出生率

bit rates───比特率

Maternity services were to be reduced in consequence of falling birth rates.───由于出生率下降，產科服務會隨之削減。

Birth rates are notoriously difficult to predict.───眾所周知,出生率是很難預測的.

Treatment choice of ICSI was not associated with fertilization, pregnancy, or live birth rates.───選擇ICSI治療與受精、妊娠及出生率并無相關性.

Even in poor countries, birth rates are now falling fast.───目前甚至是在貧窮的國家，出生率下降也很快。

Older programs have established live birth rates based on years of experience.───更老方案多年的活胎出生率.

It is also important to understand the definitions of pregnancy rates and live birth rates.───解讀妊娠率和活胎出生率的定義也是重要的.

Maternity services were to be reduced as a consequence of falling birth rates.───孕產服務因下降的出生率而將被削減。

Perhaps birth rates will bounce back.───或許出生率會反彈。

Out - of - wedlock Birth rates have plateaued for Blacks.───黑人的未婚生育率已經不再增加.

Poverty and illiteracy go together with high birth rates.───貧困、文盲與高出生率密切相關。

These low birth rates were sustained for twenty years.

Difference in birth rates is clearly one reason.

This fall reflects in particular the low birth rates of the 1920s and 1930s.

Birth rates are notoriously difficult to predict.

The high birth rates of the 1950s and 1960s are projected to increase the numbers of young elderly from 2011.

Birth rates have gone down of late.

Birth rates for teens peaked in 1991 and have been declining since.

Birth rates alone are not helpful in assessing the demographic trends.

Yes, teen birth rates have gone down a little of late.