• "There is no single gene, no single DNA marker, that would distinguish one population from another," Myers said.

    “没有一个单独的基因,或单独的一个DNA标记,可以将不同的种群区分开来,”Myers说。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • Single cell of INA bacteria can not act as ice nucleus, therefor the key to the study on the relationships between INA bacteria and frost injury to plants is to study the population of INA bacteria.

    由于单个的冰核细菌细胞并不具有冰核活性,因此,研究植物上冰核细菌的种群数量或密度是研究冰核细菌与植物霜冻害关系的关键。

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  • According to different economy conditions and population features in different areas, single or combined application of these several methods is of important significance.

    根据不同地区的经济条件和人群特征,这些筛查方式单独或联合使用对宫颈癌及癌前病变的检出均具有很大的临床意义。

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  • 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。

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  • 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)。

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  • 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。

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  • The new algorithm was based on single population without intermediate population, in which mutation operation, crossover operation and selection operation were used on the current population.

    该算法基于单种群,在演化过程中直接对当前种群进行变异、交叉和选择操作,无须差异演化算法中的中间过渡种群。

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  • Taking single cropping late rice Wuyujing 5 and 93 25 as contrast, the variety characters and the high yield population quality indexes were studied.

    试验以单晚稻武育粳5号和9325为对照,研究武运粳7号的特征特性和高产群体质量指标。

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  • The yearly population density fluctuates in a single peak.

    全年种群密度变化呈单峰型。

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  • Pedigree is one of the most general population structure in the genetic linkage analysis between human single genetic inheritance disease locus and genetic marker locus.

    在人类单位点致病基因与遗传标记基因的遗传连锁分析中,家系是应用得最普遍的一种群体结构。

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  • 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。

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  • When the induction conditions were improved, people began to focus on whether the single phenotypic cell population as experimental objects can improve the induction efficiency or not.

    在改进诱导条件的同时人们开始关注单一表型的细胞群作为实验对象是否能有效地提高诱导效率。

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  • 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。

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  • 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。

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  • Objective To evaluate the genotypic distribution of MCP-1-2518A/G single nucleotide polymorphism in the south Han population of Jiang su province and the ethnic differences of this polymorphism.

    结论:苏南地区汉族健康人群中MCP-1-2518A/G位点基因型分布和等位基因频率与斯洛伐克、突尼斯、爱尔兰和南非人群相比存在明显的种族差异,但与韩国、墨西哥人群相比无种族性差异。

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  • Over the next 15 years, the British population is set to decline, but the number of houses will rise by 25 percent - an increase largely accounted for by single people.

    在未来15年里英国的人口将会下降,但房屋的数量将会增长25%——这增长主要来自单身族的需求。

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  • Study on the effect of different densities of silage corn to the leaf area, dry matter and fresh yield of both single plant and population in 2002~2003.

    通过2002~2003年对青贮专用型玉米不同种植密度下,单株和群体叶面积、干物质积累及单位面积生物产量变化的研究,探讨单株和群体之间的相互影响。

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  • 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。

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  • 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%)。

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  • 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。

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  • 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。

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  • 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?

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  • 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?

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