I never believed the population theory of Malthus.
我从来不相信马尔萨斯的人口理论。
This study is the first one to apply metapopulation theory in natural butterfly population in China.
本研究是国内首次将集合种群理论应用于野外蝴蝶种群的研究。
This paper analyzes the four methods within Malthus' population theory and summarizes their characteristics.
本文具体分析了马尔萨斯在人口原理中运用的四种方法，并对其特征进行了概括。
If the samples are statistically representative, that should, so goes the theory, give a credible picture of what the entire population would think, were it as well-informed.
如果样本人群具有统计学上的代表性，那么根据理论这种方式将会表达人群的真实想法。
That means, in theory, 15 percent of the American population is predisposed to live to be 100.
这在理论上意味着15%的美国人有活到100岁的倾向。
A competing theory is that a mutagenesis drug may eradicate a virus or bacterial population by reducing the fitness to negative values.
一个竞争性的理论是诱变药物通过降低对负面价值的适应性而根除病毒或细菌群体。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
目的：提出基因频率矩阵的图论主坐标分析方法，探讨该法在人类群体遗传结构研究中的应用。
The graph theory principle coordinates analysis is an ideality method for studying the human population genetic structure.
图论主坐标分析是分析人类群体遗传结构的一种理想方法。
Evolutionary game theory improves upon traditional game theory by providing a dynamics describing how the population will change over time.
进化博弈理论对传统博弈论做出了改进，它能够对群体行为随着时间的推移提供动态描述。
Explain in detail T. R. Malthus' theory of population and the various checks to population growth.
详细说明马尔萨斯的人口理论和控制人口增长的各种措施。
The Polarization and Population difference of the three-level atom, driven bya microwave field and interacted by a strong short laser pulse, is studied by me-ans of semiclassical theory in the paper.
本文采用半经典理论方法研究了在短脉冲作用下，被共振微波场驱动的三能级原子极化强度振幅和粒子数差随时间的变化。
This paper, by using the central link formula and gray system theory, analyses and probes into the population growth and food production of Heze District.
本文利用人—地关系的中环公式和灰色系统理论，对菏泽地区的人口增长和粮食生产进行了分析和探讨。
According to his theory, evolution is the result of the population and not the single individual.
按照的他的理论，进化是群体的结果而不是个体的选择。
The explanation and demonstration have been included in the mathematic models with the theory of population genetics.
用群体遗传学的理论对所建数学模型进行了解释和论证。
The forming of a united theory need an agreement on basic concepts such as human being and human population at the level of philosophy.
对有关理论问题取得统一的认识需要在哲学层次上对诸如人和人口等基本问题达成共识。
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 theory that man needs each other, together with changes in our population, family functions and notions, is a theoretical and realistic basis for the family spiritual support.
人的需要理论与我国人口、家庭职能、家庭观念的变化是重视家庭精神赡养的理论与现实依据。
This passage introduces of population pressure - the greatest feature of modern malthusian theory, of economics of population.
本文介绍了现代马尔萨斯主义人口经济理论的最大特点—人口压力。
Therefore, it is instructive to have research on theory of Population Quality and how to reduce differences between East and West.
因此，研究人口素质理论、研究缩小东西部人口素质差异的对策是非常具有现实意义的。
The optimal control theory is used to study the accumulation rate and the population growth rate.
利用最优化原理研究了该系统的积累率和人口自然增长率。
While the clonal selection principle is responsible for generating the memory cell population, the immune network theory prevents the population size from increasing quickly.
克隆选择用来产生抗原的记忆细胞群体，免疫网络理论则用来抑制该群体规模的快速增长。
Population genetic theory and method were used to study the conservation results of Qinchuan cattle for 30 years plus in Qinchuan cattle farm of Shaanxi province.
采用群体遗传学理论与方法研究了陕西省秦川牛场秦川牛保种群30多年来的保种情况，详细地分析了保种群的规模、年龄结构及迁移情况。
A novel particle swarm optimization based on theory of molecular motion (MMT-PSO) was proposed, and the population was regarded as molecule system.
提出了一种新颖的基于分子动理论的粒子群优化算法(MMT - P SO)。
The graph theory multidimensional scaling analysis is ideality method for studying the human population genetic structure.
图论多维尺度分析是分析人类群体遗传结构的一种理想方法。
This paper applies the theory of grey system to the population size forecast of the Striped hamster, which is one of the dominant rodent species of North China Plain.
首次将灰色系统理论应用于华北平原旱作区黑线仓鼠种群数量的预测预报中。
This paper applies the theory of grey system to the population size forecast of the Striped hamster, which is one of the dominant rodent species of North China Plain.
首次将灰色系统理论应用于华北平原旱作区黑线仓鼠种群数量的预测预报中。
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