births的例句大全

She was present at the births of all her three nieces and admits she spoils them rotten. Sociologists coined the acronym to reflect the growing number of childless professional women who have plenty of disposable income and time to spend with youngsters.

她的三个外甥女出生时她都在现场，而且她承认她对她们及其溺爱。社会学家们用这个缩写词来反映目前无子女的职业女性人数不断上升这一现象，她们有足够的可支配收入和时间跟孩子们一起相处。

Since the introduction of family planning, the number of births evaded has exceeded 300 million.

实行计划生育以来, 全国累计少出生3亿多人.

The investigators found that in all centers the proportion of LBW children among lie births increased.

研究者发现在所有登记协作中心,极低出生体重婴儿在存活婴儿中所占比率均提高了.

By comparison, northern neighbor Canada has fourteen births and southern neighbor Mexico has eighty-two.

相对来说，美国北部邻国加拿大每1000人中有14人，南部邻国墨西哥则有82人。

BMPR-IB gene is one of the major gene for fecundity of sheep, point mutations ( A746G) called FecB gene can be used as the molecular genetic marker for the selection of multiple births strain of sheep.

BMPR-IB基因是绵羊产羔数的主效基因，点突变基因即FecB基因（A746G）可以用于对绵羊多胎品系的选择。

Furthermore, around 50% of the world's population live in regions where the figure is now below the replacement level ( i.e.2.1 births per woman) and almost all developed nations are experiencing sub-replacement birth rate ．

此外,约50%的世界人口生活在目前这一数字低于更替水平（即每名妇女生育2.1个）的地区,几乎所有发达国家都在经历次更替以下的出生率。

Under-reporting of female births at 50 % of the excessive amount of the SRBs in the 1990 s.

1990年代在我国出生性别比偏高的部分中,女婴漏报的50%以上.

Government statistics tell all: among Chuzhou children born in 2009, the ratio of boys to girls among first children is 105:100-but it rises to nearly 300:100 for third and fourth births.

官方统计数据说明了一切：2009年，滁州头胎新生儿男女性别比为105:100，但第三胎和第四胎的这一比率就升到了近300:100。

At the start of this year, foreigners living in Italy amounted to 4 ． 56 million of a total population of 60 ． 6 million, or 7 ． 5 percent, with immigrants' children accounting for an even larger percentage of births in Italy ．

今年年初,居住在意大利的外国人达456万人,占意大利总人口6060万人的7.5%,其中移民子女在意大利出生人口中所占比例更大。

The number of multiple births has surpassed 100,000 for the first time.

多胎产首次突破了10万例。

In humans the scientists showed a strong correlation between infection and preterm births.

在人类身上,科学家表明了感染该类细菌和早产之间有很高的相关性.

The overall rate of incidence of Down's syndrome is one in every 800 births.

新生儿中唐氏综合症的总体发病率是八百分之一.

This dramatic increase in single-parent families is largely accounted for by divorce and out-of-wedlock births.

单亲家庭的这种戏剧性的增加主要是由于离婚和未婚生育造成的.

Infant mortality was 20 deaths per thousand live births in 1986.

1986年的婴儿死亡率为生育成活率的千分之二十.

There are usually pictures of graduations, weddings, birthdays, births and even family pets.

照片通常是些关于毕业 、 结婚 、 生日 、 出生甚至是家庭宠物的.

The radioactive fallout caused abnormal births , thyroid problems , and other illnesses among Rongelap's inhabitants.

放射尘导致了朗格拉普岛的居民出现了怪胎 、 亢等多种疾病.

Small Tail Sheep is an all-year-around reproduction sheep, which gives two births a year or three births in two years. The average lambing number per parturition is from 2 to 5 lambs and the lambing rate can be as high as 260%.

小尾寒羊是世界上繁殖力很高、一胎产羔数在个体间变异较大的绵羊品种，四季发情，一年两胎或两年三胎，每胎2-5羔，胎均产羔率为260%。

Of course birth control will still be necessary, and I am not encouraging more births.

当然,还是要节制生育, 我不是来奖励生育.

The birth rate is the number of births compared to the number of the people.

出生率是出生数与人口数的比率.

Cesarean births are also performed in events of unsafe conditions within the birthing canal.

同时,娩出通道存在的不良状况也对分娩过程影响很大.