• 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,这种进化可能发生单个种群里面,对此半信半疑

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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.

    利用微分方程定性理论方法讨论价格成本变化种群经济捕获模型

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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.

    本文通过建立斑块种群扩散系统主要研究扩散其中受污染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.

    算法基于种群演化过程中直接当前种群进行变异、交叉选择操作,无须差异演化算法中的中间过渡种群。

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  • This time, he focused on what he calls the single most risky demographic on the road? Teenage boys? Whose crash rate is twice that of the general population.

    这次把焦点集中在他所称——路上可能出风险个体:男性多动症青少年,因为他们出事故概率普通人群的两倍

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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.

    进行死亡率监测确认人口死亡类型时,死因推断结果的双重编码单个编码员系统相比优势较小

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  • Han Chinese account for more than 90 percent of the population and constitute the world's single largest racial-cultural group.

    汉族人口90%以上,世界上最大种族文化民族。

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  • In creating the rankings, Money looked at the percentage of the population that is single and the median income.

    《Money》制作这个排行榜时候,考虑到了单身人群比重中间收入这两个指标。

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

    没有单独基因,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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  • 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4亿用户超过印度中国以外任何国家人口总数网站,人们时候仔细琢磨一下快速增长了。

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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.

    然而不再认为非洲一个地区曾经单独一小我们他们唯一的后裔。

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  • In order to replenish the population, the state instituted an aggressive pro-natalist policy to support single mothers.

    为了补充人口国家设立了一项激进的鼓励生育政策,以此激励单身妈妈们

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  • 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.

    全球化趋势造就了我们这个人数众多连接紧密的星球这里,越来越多的病毒生存下来茁壮成长。

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  • As the population increased, it apparently remained localized in a single geographical region.

    随着人口增长他们仍然明显地聚居一个狭小的地理区域之内。

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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.

    这种单细胞生物而且繁殖迅速——如果足够的食料,他们的种群数量可以每九十分钟增加一倍

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  • 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.

    两个位于染色体2P35区域核苷酸多态性SNPs)对于相关的同种疾病总数酒精依赖上有着最高程度的相关性。

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  • 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国家开始逐渐降低人口增速

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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.

    由于单个细菌细胞并不具有冰核活性,因此研究植物冰核细菌种群数量或密度研究核细菌植物霜冻关系关键

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  • That's why when my Chinese friends ask me about my opinion about the large population of China, my single answer it's same as in India!

    就是为什么中国朋友人口众多中国看法时,我唯一答案跟印度一样

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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.

    人类单位点致病基因遗传标记基因的遗传连锁分析中,家系应用得普遍群体结构

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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.

    根据不同地区经济条件人群特征这些筛查方式单独联合使用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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  • 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)基因启动核苷酸多态性(snp)。

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  • Firstly, we propose and study the single-species discrete population model with stage structure and birth pulses.

    在第二章,我们研究了密度依赖生育脉冲对单种群阶段结构离散模型的动力学行为的影响。

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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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  • 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.

    本文林木树种单株原则方法运用林木群体选择划分

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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.

    改进诱导条件同时人们开始关注单一表型的细胞作为实验对象是否有效地提高诱导效率。

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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.

    改进诱导条件同时人们开始关注单一表型的细胞作为实验对象是否有效地提高诱导效率。

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