However, he's not fully convinced that this can happen within a single population, as the authors suggest.
然而，正如作者暗示的，这种进化可能发生在单个种群里面，对此他半信半疑。
Using method of qualitative theory of ordinary differential equation, studies economic harvesting model with variable price and cost for a single population.
利用常微分方程定性理论的方法讨论了价格成本变化的单种群经济捕获模型。
The effect of diffusion on the permanence of the population in a polluted patch is studied by setting up a single population diffusive system in two patches.
本文通过建立两斑块的单种群扩散系统，主要研究扩散对其中受污染的斑块上种群生存的影响。
Duplicate coding of verbal autopsy results has little advantage over a single-coder system for mortality surveillance or for identifying population patterns of death.
进行死亡率监测或确认人口死亡类型时，死因推断结果的双重编码与单个编码员系统相比优势较小。
However, I no longer think that there was ever a single small population of humans in one region of Africa from whom we are all uniquely descended.
然而，我不再认为在非洲的一个地区曾经有过单独一小群人，我们都是他们唯一的后裔。
The march of globalisation will create a single mega-population of people on the planet in which more and more viruses have the potential to survive and thrive.
全球化的趋势造就了我们这个人数众多连接紧密的星球，在这里，越来越多的病毒生存下来并茁壮成长。
As the population increased, it apparently remained localized in a single geographical region.
随着人口的增长，他们仍然明显地聚居在一个狭小的地理区域之内。
It is a moment to consider the rapid growth of a site whose 400m-plus users outnumber the population of any single country except India and China.
对于这样一家拥有逾4亿用户（超过除印度和中国以外任何一个国家的人口总数）的网站，人们是时候仔细琢磨一下它的快速增长了。
This single-celled fungus feeds on sugars and reproduces frequently—if it has enough to eat, a culture can double in population in 90 minutes.
这种单细胞生物吃糖，而且繁殖迅速——如果有足够的食料，他们的种群数量可以每九十分钟增加一倍。
Two single nucleotide polymorphisms (SNPs), both located onthe chromosomal region 2p35, had the highest degree of associationwith alcohol dependence in a relatively homogenous patient population.
两个都位于染色体上2P35区域的单核苷酸多态性（SNPs）对于在相关的同种疾病总数的酒精依赖上有着最高程度的相关性。
By limiting urban couples to a single child and most rural couples to two, China has managed to slow the growth of the world's largest population.
通过限制一对城市夫妇只准生1个小孩，绝大多数农村夫妇最多只准生2个小孩，中国作为世界人口数量最多的国家开始逐渐降低人口增速。
Objective To investigate the single nucleotide polymorphisms (SNP) in the promoter region of mannan-binding lectin (MBL) gene in a Han population in Guangdong Province.
目的研究广东汉族人群甘露聚糖结合凝集素(MBL)基因启动子单核苷酸多态性(snp)。
This paper describes a method which has been used for stand population selection and classification based on the plus trees selection principle of a single tree.
本文将林木树种单株选优原则和方法运用到林木群体选择和划分上。
The effects of interval mapping for quantitative trait loci(QTL) of single trait under different heritabilities and marker densities in a F2 population were compared by computer simulation.
采用计算机模拟方法系统比较了目标数量性状的遗传力和标记密度对F2设计下单个性状数量性状座位（QTL）区间定位效果的影响。
The algorithm USES a population of points at a time in contrast to the single point approach by traditional optimization methods. The convergence is monotonic and a global solution is obtained.
与单点最优算法相比，该方法为多点寻优，单调收敛，可获得全局最优解和用于长、短期或实时优化调度。
Despite the thousands of Bigfoot that must exist for a breeding population, not a single body has been found.
尽管目击者口中的“大脚”数以千计、足以构成一个繁殖种群，人们却连一具尸体也未曾找到。
The results showed LAD of spring wheat population changed as a curve with single peak.
结果表明，春小麦高产群体光合势在整个生育期呈单峰曲线变化，峰值在孕穗至开花期。
The Urban Institute estimates that children make up 25 percent of the nation's homeless population, but most are living with a single mother, not the father.
根据城市协会估算，全国无家可归的人口中儿童占到百分之二十五。但是，绝大多数儿童和单亲母亲而不是单亲父亲一起生活。
The GA uses a population of points at a time in contrast to the single point approach by the traditional ones, and will guarantee to find the global optimum.
与经典优化算法不同的特点在于，遗传算法是从多个初始点开始寻优，沿多路径搜索实现全局或准全局最优。
The yearly population density fluctuates in a single peak.
全年种群密度变化呈单峰型。
As a result the population fell by around 2 million people (6 percent of the total) in a single year.
因此，在一年中人口减少了大约两百万(约占总人口数的6%)。
But what can you really understand about the general population by studying a single family in the Netherlands?
可是，通过研究荷兰的一个家庭，你对总人口能真正了解到什么呢？
The municipality's official population is more than 30m, which if it were a single city would make it one of the largest in the world.
直辖市的官方人口有3000万，如果重庆是单一城市的话，它就是世界上最大的城市之一了。
Reprogramming a single intersection as population and geography shifts costs thousands of dollars-so some municipalities rarely get around to it.
随着人口与地形的变化，对一个十字路口进行重新编程的成本可能需要数千美元，因此，许多城市根本没有考虑这样做。
With a single high-rise hotel in a sea of four-story walk-ups, it was claimed by one local that Jieshi was home to a population of 400,000 people (equal to Cleveland or Miami).
在一座海边的四层无电梯酒店，一个当地人告诉我们碣石住着40万人（差不多相当于迈阿密的克利夫兰）。 拥挤的街道小巷，喧闹的喇叭声，都给我们一种嘈杂的气氛。
With a single high-rise hotel in a sea of four-story walk-ups, it was claimed by one local that Jieshi was home to a population of 400,000 people (equal to Cleveland or Miami).
在一座海边的四层无电梯酒店，一个当地人告诉我们碣石住着40万人（差不多相当于迈阿密的克利夫兰）。 拥挤的街道小巷，喧闹的喇叭声，都给我们一种嘈杂的气氛。
应用推荐