世界平均人口密度为每平方英里47人。
The average population density of the world is 47 persons per square mile.
平均人口密度低是大多数不发达国家的特点。
Low average population densities are characteristics of most underdeveloped countries.
景观形式的不规范，但以平均人口例外。
The landscape forms were not the norm but the exception as to the average population.
全世界100大城市的平均人口现在超过了600万，而在1900年仅为70万。
The average population of the world's 100 largest cities now exceeds 6m. In 1900, it was only 700,000.
2001年至2010年的平均人口增长率是0.57％，仅是上一个十年的一半。
The average annual population growth from 2001-10 was 0.57%, just over half the rate from 1991-2000.
Ni：指i区的平均人口密度，为了简化分析，地球表面被按照网格分成多个i区，每个区的分布假定是统一的。
Ni : Average population density in area i. To simplify the analysis, Earth’s surface is divided into a grid of squares i, and the distribution is assumed to be uniform in each.
去年的家庭平均人口数为2.59人，比两年前的2.56人有所增加，这还是自1993年来的第一次增长。
Last year the average household had 2.59 people, up from 2.56 two years earlier, marking the first increase since 1993.
资源，庞大的人口就会带来巨大的资源需求量，中国拥有大量的资源，而平均人口的资源却不如其他发达国家。
Resources and huge population will be enormous demand for resources, China has a large number of resources, and the average population than other developed countries have the resources.
就这样…如果冬季有7个月左右，并且冬季的工作人员数量在200人左右，夏季的工作人员大概其说是1100左右的话，那么这儿的平均人口大概是575人。
So... if the winter season is about 7 months long, and the winter crew is about 200 people, and the summer crew is around, say 1, 100, we'll just average the population to about 575.
就这样…如果冬季有7个月左右，并且冬季的工作人员数量在200人左右，夏季的工作人员大概其说是1100左右的话，那么这儿的平均人口大概是575人。
So... if the winter season is about 7 months long, and the winter crew is about 200 people, and the summer crew is around, say 1,100, we'll just average the population to about 575.
在其至少十年来平均每年的人口增长超60万的加州，人们正在建设更多的住宅。
In California, where population growth has averaged more than 600,000 a year for at least a decade, more residential housing is being built.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
随着人口平均年龄的增长，有越来越多的老年人需要照顾。
As the average age of the population increases, there are more and more old people to care for.
为了稳定人口——减轻移民的影响——妇女必须平均生育两个孩子。
To stabilize its population—discounting immigration—women must have an average of two children.
在对寻找这个问题的证据的渴求下，评论家们抓住了人口普查局最近的一份报告，其中发现家庭平均收入增加了5美元。
In their thirst for evidence on this issue, commentators seized on the recent report by the Census Bureau, which found that average household income rose by 5.
在对寻找这个问题的证据的渴求下，评论家们利用了人口普查局最近的一份报告，该报告发现家庭平均收入增加了5美元。
In their thirst for evidence on this issue, commentators seized on the recent report by the Census Bureau, which found that average household income rose by 5.2% in 2015.
由于考夫曼研究的一些作家生活在数百年前，因此无法拿他们的平均死亡年龄与全体人口来作比较。
Because Kaufman studied some writers who lived hundreds of years ago, it is impossible to compare their average age of death to that of the general population.
陆军表示其新兵的情况超过美国人口的平均水平。
The army says the profile of its recruits remains above the average for the American population.
目前土耳其妇女平均生2.1个小孩，刚好足够维持人口稳定。
Turkish women currently have on average 2.1 children — just enough to maintain a stable population.
随着石油收益的下降，人口的增加，个人平均所得开始下降。
With oil revenues falling and populations growing, per capita income began to decline.
接近100岁的人不在少数，但是超过100岁的却并不多。因此，即使是在富裕的国家，人口平均寿命仍然只有两位数。
More people are reaching 100, but few live much beyond that-so average life spans, even in rich nations, remain in double digits.
虽然美国人口平均年龄较低，但医保费用所占收入比在富国中遥遥领先（见表4）。
As a share of national income that is far more than other rich countries spend (see chart 4), despite America’s slightly younger population.
联合国人口基金会预计，世界人口平均寿命增加了20年以上。
The UN Population Fund estimates that people's average age around the world has been raised by more than 20 years.
难怪在俄罗斯会出现下面的情况：俄男性平均寿命低于59岁，人口每年缩减750，000。
No wonder: with male life expectancy below 59, the population shrinks by about 750,000 a year.
人口的整体增长速度平均每年降低了0.57%。
The overall population growth rate was down 0.57 percent on an annual basis.
宾夕法尼亚州人口的平均年龄在全国排名第二，仅次于佛罗里达州。
Pennsylvania has the second oldest population in the nation, right behind Florida.
而同期购买了56.1%的新车的具有大学学历的人口的平均失业率是4.3%。
The average unemployment rate for college graduates - who buy 56.1 per cent of new cars - was 4.3 per cent during the same period.
德州的人口增速已经将近全美平均增速的2倍。
And Texas's population is growing nearly twice as quickly as the national average.
美国有1.1亿人使用社交网络(网络人口的60%)，平均来看，他们登录这些网站的次数很多。
Out of the 110 million Americans (or 60% of the online population) who use social networks, the average social networking user logs on to these sites quite a bit.
美国有1.1亿人使用社交网络(网络人口的60%)，平均来看，他们登录这些网站的次数很多。
Out of the 110 million Americans (or 60% of the online population) who use social networks, the average social networking user logs on to these sites quite a bit.
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