她说黑人中支持民主党的人数比例从百分之九十下降到大约百分之七十。
She says blacks who identify with the Democratic Party have fallen from the 90th percentile down to around 70 percent.
然而在今天，尽管对拥有出色数学和科学技能的劳动者的需求不断增加，获得科学、数学和工程学位的人数比例却在下降。
Today, however, despite increasing demand for workers with strong skills in mathematics and science, the proportions of degrees awarded in science, math, and engineering are decreasing.
截至1996年，在国外出生且于1970年前到达美国的移民中拥有房产的人数比例为75.6%，高于本土出生的美国人的 69.8%。
By 1996 foreign-born immigrants who had arrived before 1970 had a home ownership rate of 75.6 percent, higher than the 69.8 percent rate among native-born Americans.
研究发现指数高低与结婚或同居的人数比例是相关的。
The study found there was a correlation between the ratings on the index and proportion of citizens who were married or Shared their home with a partner.
研究发现指数高低与结婚或同居的人数比例是相关的。
The study found there was a correlation between the ratings on the index and proportion of citizens who were married or shared their home with a partner。
今年把退休储蓄放在首位的人数比例与2007年的43%一致。
This year's proportion of those who prioritize retirement savings, however, is in line with the 43% surveyed in 2007.
失业人数比例从1992年的19.4%上升到2008年的31%。
从整体上看，说自己至少有一件重大消极事件的人数比例从88%上升到了92%。
Overall, the percentage who reported at least one significant negative life event increased from 88% to 92%.
上网寻找娱乐的人数比例（82%）高于上网娱乐他人的比例（48%）。
More people go online to be entertained (82%) than entertain others (48%).
然而和长期交往的伴侣分成手的人数比例则翻了一番，从4%增至8%。
On the romantic front, the percentage who reported breaking up with a steady partner doubled from 4% to 8%.
将考虑预订全包型度假的人数比例，从今年的10%上升至明年的16%。
The proportion of people saying they would consider booking all-inclusive holidays jumps from 10 percent to 16 percent for next year.
国会就是这样设计的，如果少数派们联合起来，他们能够行使大于他们人数比例的权力。
Congress was designed so that minorities can wield power well out of proportion to their number if they stick together.
在此期间，认为气温上升应归咎于人类活动的人数比例也从47%下降至36%。
The proportion blaming rising temperatures on human activity also fell over the period, from 47% to 36%.
怀孕期间吸烟母亲的孩子以后吸烟的人数比例远远超过怀孕期间不吸烟母亲的孩子。
The proportion of the children who took up regular smoking was greater among those whose mothers had smoked during the pregnancy than among those whose mothers had not.
因为尽管在过去的二十年里，美国使用手机的人数骤增，但患脑癌的人数比例却一直在下降。
Despite a huge upsurge in cellphone use over the past two decades, brain cancer rates in the United States have been declining.
研究显示，依赖搜索引擎计划个人旅行以及计划商务旅行的人数比例分别是64%和56%。
The study suggests 64% depend on search engines to plan personal trips vs. 56% for business.
目前C区的定居者与巴勒斯坦村民的人数比例是二比一，而双方都认为这片领土应归自己所有。
Settlers now outnumber Palestinians in Area C by two to one; they regard the territory as theirs.
西班牙计划到2015年才把董事会女性的委任人数比例定到40%，而法国是到2017年。
Spain has set a mandatory 40% target for female directors of large companies by 2015 and France by 2017.
千禧年目标要求享受不到安全饮用水和基本卫生设施的人数比例到2015年在2000年的基础上减少一半。
The MDG targets call forthe proportion of people without sustainable access to safe drinking water andbasic sanitation to be halved by 2015 from levels in 2000.
上网进行社交活动的人数比例(81%)，是上网进行业务(39%)或购物(31%)的两倍还多。
More than twice as many people go online to socialize (81%) than to do business (39%) or shop (31%).
25岁以下的年轻人每天做饭的人数比例仅有16%；而56岁以上每天做饭的人数比例则高达45%。
Only 16% of those aged under 25 cook every day compared with 45% of those aged 56 and over.
男性和女性网民在Google上搜索自己的人数比例差不多，但女性更爱在网上搜索约会对象的信息。
Although men and women equally searched for online information about themselves, women were slightly more likely to look up information about someone they are dating.
25岁以下的年轻人每天做饭的人数比例仅有16%；而56岁以上每天做饭的人数比例则高达45%。
Only 16%of those aged under 25 cook every day compared with 45% of thoseaged 56 and over。
普劳德称：“研究结果表明，如果能降低英语课上的女生人数比例，所有年龄组男生的英语成绩都将受益。
He said: "The results implythat boys would benefit at all ages from being taught English withas small a proportion of girls as possible.
相比之下，在洛杉矶，总体感觉不满意的人数比例从2014年的37%，下降到了2015年的33%。
In Los Angeles, by contrast, the percentage expressing general disapproval fell from 37 percent in 2014 to 33 percent in 2015.
但是在所有得到治疗的病人中，接受谈话治疗的人数比例从1987年的53.6%下降至2007年的43.1%。
But of those who were treated, the proportion who got talk therapy fell, dropping from 53.6 percent in 1987 to 43.1 percent in 2007.
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%.
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%.
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