事实上，研究中发现最慷慨的是丧偶男性群体，他们中的71%会投身慈善，而这一比例在丧偶女性中为67%，离婚或分居女性比例为56%，这两个群体比例与丧偶男性相近，慷慨度仅次于丧偶男性群体。
In fact, the most generous group in the study was male widowers, 71% of whom gave to charities. Widowed females (67%) and divorced or separated females (56%) were the next two most generous groups.
与2002年的18%相比，该比例已有下降，并且各收入群体间的差别也在缩小。
This proportion had decreased from 18% in 2002 and differences between income groups had narrowed.
这激起了一场争论，到底这种现象是误差，或是自然选择偏爱的结果(至少当它在群体中只占有稀少比例时)。
That has provoked a debate about whether the phenomenon is an aberration, or whether natural selection favours it, at least when it is rare in a population.
许多儿童疫苗依赖于“群体免疫”——一定比例的人口接种某些疫苗是为了预防那些没有接种或不能接种的人受到感染。
Many of the childhood vaccinations rely on "herd-immunity" - a certain percentage of the population having the vaccine in order to protect those that do not, or cannot have it, from infection.
而在另一些时候，群体却鼓励磨洋工，导致生产效率以50%甚至更大的比例下降。
At other times groups encourage social loafing, resulting in a drop in our productivity-sometimes by as much as 50%, perhaps more.
从80年代初期至今，美国最富有的1%群体的收入比例将近增加了一倍。
The income share of the top 1% of the American population has roughly doubled since the start of the 1980s.
“危险”食物消费在免疫功能较弱的儿童群体食用比例要高于在健康儿童群体。
Risky-food consumption also appeared to be higher among children with compromised immune systems than among healthy children.
该研究团体还推断得出，年轻的中低收入群体中有41%居住在私人出租的宿舍，相比之下，1988年时这一比例为14%——因为现在这一群体中很少有人有能力买上自己的房。
It also concluded that 41 per cent of young low-to-middle earners live in privately rented accommodation compared with 14 per cent in 1988 - because fewer can get on the property ladder.
这些群体通常包括女人，他们都不成比例地集中在员工工作中，如全体员工的PS，公关和采购。
That group often includes women, who are disproportionately concentrated in staff jobs such as the Ps of personnel, public relations, and purchasing.
Youtube的用户中，尤其是19岁以下的用户，对youtube的忠诚度极高；在15～19岁的男性群体中，此类人所占比例高达69%，而在这一年龄段的女性人群中则占到了66%，他们只将Youtube作为他们访问的唯一视频站点。
YouTube users, especially those under 19, are extremely loyal to YouTube; for 69% of all males 15-19 and 66% of all females in this age group, YouTube is the only streaming video site they ever visit
在日本，这一现象出现于更早的80年代，但外国媳妇这一群体的数量一直没有大的增长：21世纪初期中叶，日本“洋媳妇”的比例仅为5%至6%。
In Japan, the phenomenon started earlier, in the 1980s, but has remained at a modest level: only five or six percent of marriages in the mid-2000s involved foreign wives.
假定一个95%的置信区间，那么在结果当天，群体中拥有同一意向的人数比例将会是36% - 44%。
A 95% confidence interval for the proportion in the whole population having the same intention on the survey date might be 36% to 44%.
上位效应平方和占总产仔数和活产仔数总遗传变异平方和的比例分别为6 3%和6 5 % ，可见上位效应对窝产仔数群体间遗传差异作用不大。
Epistatic component accounted for 6 3% for the total number born, and 6 5% for the number born alive, which showed that epistatic effect was not important in the genetic variation between populations.
陕北白绒山羊多绒型变异个体的遗传性能稳定，外观特征如绒球状，在不同群体间出现的比例平均为5.6%。
The genetic character of Shanbei white many-cashmere goat is stable. The appearance is like a ball shape. The mean proportion in the different population is 5.6%.
目前，贫困生作为高校学生当中的一个特殊群体，已占有相当大的比例。
Nowadays, needy students have become a special group among the college students and occupied great proportion in it.
揭示中国古代楼阁群体组合中的视觉控制，是综合了建筑三维尺度以及建筑具体构成的比例控制。
The Visual control is the proportion control of the three dimension scale and the detail compose in the Chinese ancient storeyed Building Group compose.
结果显示，当某一类消费群体的上网比例大幅增加时，该群体中的个人定期寿险保单价格下跌最快。
The results show that prices for individual term life policies for people in a given group fell more during periods in which the group quickly adopted the Internet.
研究发现，刚做父亲的男性患抑郁症的总体比例为10.4%，为一般群体男性12个月月中患抑郁症比例的两倍，后者的比例为4.8%。
Thee study put the overall rate of depression among new fathers at 10.4 per cent - double the estimated 4.8 per cent for all men in any 12-month period.
莫里森指出，尽管1.2%这个比例仅从“网瘾患者”这一群体本身来看不是个大数字，但该比例高于英国的赌博率，后者约为0.6%。
Morrison noted that while the 1.2 percent figure for those classed as "addicts" was small, it was larger than the incidence of gambling in Britain, which is around 0.6 percent.
在小麦超高产栽培条件下利用不同施肥量和不同施肥比例的处理，研究了小麦群体质量、根系分布、子粒产量和品质。
Wheat population quality, root system distribution, grain yield and quality were studied under different fertilizer application treatment in the condition of superhighyielding wheat cultivation.
本文对国际上实施“按收入比例还款”国家的实施背景从“成本分担”和“资助低收入”群体两个角度进行评析。
This article makes a comment on the background of income-contingent repayment from the "cost-recovery "and "assisting the low-income group" perspective.
城市人均住房面积和城镇住房弱势群体的比例明显不相称，原因之一是这部分股票的闲置资源严重。
Urban per capita housing area of urban housing and the proportion of disadvantaged groups is manifestly disproportionate, one of the reasons is that part of the stock of idle resources seriously.
特别是针对侵权债权人这一类最弱势群体，股东亦有必要突破有限责任制度，对侵权债权人承担比例责任。
Especially to the tort creditors, the weakest party, shareholders should bear the proportional liabilities with the breakthrough of the limited liability system.
与野生群体相比，养殖群体的多态位点比例和杂合度都有不同程度的降低。
Compared with the wild population, the cultivated population has a lower percentage of polymorphic loci and heterozygosity.
结论减少或控制透视比例，降低受检者群体的体表剂量，以减少医疗照射对人体造成的危害。
Conclusions To reduce or control chest fluoroscopic proportion will decrease surface dose from diagnostic X-ray of patients.
这一人群同样也是移动即时通信的最大用户群体，占到了整体比例的53.7%。
Such young people are also the largest group of mobile phone instant messenger users, accounting for 53.7 percent of all users.
这一人群同样也是移动即时通信的最大用户群体，占到了整体比例的53.7%。
Such young people are also the largest group of mobile phone instant messenger users, accounting for 53.7 percent of all users.
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