Ms Dushi believes the rate is 2.2, just above the level needed for a stable population.
Dushi女士相信这个比率是2.2,刚超过稳定人口的水平。
Turkish women currently have on average 2.1 children — just enough to maintain a stable 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。
There should be a general trend toward a stable population rather than one that will continue to increase.
总的趋势应当是人口稳定,而不是继续增长。
The classical fish population dynamic models were largely on the basis of stable population behavior assumption.
经典的鱼类种群动态模型是以稳定的种群行为为基础的。
During an infection the number of mites increases rapidly, then drops off leaving infected persons with a relatively stable population.
螨感染人数在急剧增加,感染人数则下降客留下了一个比较稳定的人口。
The unbalanced population structure is the direct source, since the basic assumption spang is long term relatively stable population structure.
应该说人口结构失衡是直接的诱因,因为收现付机制的基本约束条件在于长期相对稳定的人口结构。
In this stable population, the proportion of deaths from cardiac causes was relatively low, but there are pitfalls in the classification of death.
而是死亡分类有着缺陷,在这个稳定的人群中,由于心脏问题导致死亡的比例相对较低。
Therefore, high yield can be obtained only through promotion of grain weight for properly stable population, healthy individual plant in cultivation.
因此,栽培上应以适度稳穿的群体、壮个体、争促粒重获得高产。
the fertility rate of half the world is now 2.1 or less—the magic number that is consistent with a stable population and is usually called “the replacement rate of fertility”.
世界上一半的地区,生育率仅为2.1%,甚至更低。这一比率通常被称作“生育替代率”,标志着人口数量的稳定。
They think its population grew rapidly and then remained more or less stable until the arrival of the Europeans, who introduced deadly diseases to which islanders had no immunity.
他们认为岛上的人口增长迅速,然后保持或多或少的稳定速度来增长,直到欧洲人的到来引进了岛上居民对其没有免疫力的致命疾病。
That is the number needed to keep a population stable, so observers sometimes take it as a given and say that America's population growth is entirely due to immigration.
这个数字是保证人口数稳定的必需,因此,观察家们有时视之为已知前提,并称美国的人口成长完全归功于移民。
In 2008, the estimated per capita TB incidence was stable or falling in all six WHO regions. However, the slow decline in incidence rates per capita is offset by population growth.
2008年,结核人均估计发病率在世卫组织所有6个区域中趋于稳定或下降,但是人均发病率缓慢下降被人口增长所抵消。
Golikova told Medvedev that preliminary statistics for last year showed that the country's population of 141.9 million had either remained stable or increased by 15, 000 to 25, 000 people.
Golikova向梅德韦杰夫报告称,根据去年的初步统计显示,全国1.419亿的总人口数量保持稳定,并增加了15000人到25000人。
La Vecchia said countries like Italy and France - where obesity rates have been stable for the past two decades - show that weight can be controlled at a population level.
拉维基亚说,像意大利和法国这些国家——在过去20年里肥胖率一直保持稳定——表明体重在人口基数中能够控制在一定水平内。
In the Atlantic, population levels have been more stable.
在大西洋,数量水平已经变得比较稳定了。
During normal, full-power operation, the neutron population in a core is stable (remains the same) and the reactor is in a critical state.
在通常的全动力应用下,内核里中子的产量是稳定的(保持一个数量不变),反应器处于临界状态。
But when the new power from the use of tools has been exploited, the rate of world population growth fell and became almost stable.
但当工具的使用所产生的新动力被充分利用以后,世界人口增长率下降并且趋于稳定。
Overall, the world's population is increasingly stable.
总体而言,世界人口数量正在日渐稳定。
When the economy can grow significantly and inflation is held stable, the increased income is spread to the population.
当经济可以显着增长和通货膨胀保持稳定,增加的收入是蔓延到人口。
Denmark's native population is more or less stable, but some 3.9% of babies born there in 2003 (the most recent year for which figures are available) were the result of IVF.
丹麦的国民人口数相对稳定,但二零零三(最新人口统计数)年在丹麦出生的3.9%的婴儿都是应用试管授精的结果。
Two decades on, the most recent figures suggest there are probably about 555,000 of the beasts, which seems to suggest the overall population is stable.
禁令实施二十年后,最近的统计数字表明约存在55.5万头大象,而且总的数量基本稳定。
Two decades on, the most recent figures suggest there are probably about 555, 000 of the beasts, which seems to suggest the overall population is stable.
禁令实施二十年后,最近的统计数字表明约存在55.5万头大象,而且总的数量基本稳定。
The fourth Waterbird Population Estimate found that 44 percent of the 900 species globally have fallen in the past five years, while 34 percent were stable, and 17 percent rising.
在这份第四次"水鸟数目估计"调查报告中发现,在过去的五年内,在全球900种鸟类中有44% 数目在下降, 34%保持稳定, 17%在增长。
When the environment variations are high, the white noise level (coefficient of variation) increases to 35%, the stable fish population becomes spasmodic.
在环境变化较大时,白色噪音水平(变动系数)增加至35%,稳定型种群变为不稳定型。
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%.
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%。
Marriage concept of China population is changed in the 90's, and marriage relation is stable.
90年代中国人口婚姻观念有所改变,婚姻关系总的来看是比较稳定的。
In fact, the rice market is fairly stable: production has largely matched or exceeded population-growth rates in Asia.
其实,亚洲的稻米市场是非常稳定的:产量已经远远匹配或者超过了人口增长。
When the big population system is in stable state. The changing trend of population subsystem of healthy state and that of disease state is discussed.
当人口大系统在稳定状态下,给出了康态人口子系统和病态人口子系统的变化趋势。
They are highly polymorphic among human population and inherited in a stable manner.
在人群中,它们呈现高度多态性,并且稳定遗传。
They are highly polymorphic among human population and inherited in a stable manner.
在人群中,它们呈现高度多态性,并且稳定遗传。
应用推荐