查询词典 Malthus

It is the doctrine of Malthus applied with manifold force to the whole animal and vegetable kingdoms;

这是马尔萨斯的学说以数倍的力量应用于整个的动物界和植物界

Darwin read Malthus in 1838 and immediately realized how it applied to his own work.

达尔文在1838年读到马尔萨斯，马上就认识到它多么适用于自己的研究。

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。

There has very great influence in the western economics ' development for economic thought of Malthus.

马尔萨斯经济思想对西方经济学后来的发展有很大的影响。

Already at the end of the 18th century Thomas Malthus published his famous treatise on food and population.

早在18世纪末，托马斯·马尔萨斯发表了关于人口与粮食的著名理论。

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 contribution of Malthus ' economic theory in the ideologies of economic on history will never be under Malthusianism.

马尔萨斯的经济理论在经济思想史上所作出的贡献决不在他的人口理论之下。

It introduces the concept of the Limit of Malthus, in order to explain the basic problems in the development of human beings, and points out how to break the Limit.

在对前人研究的基础上，引入"马尔萨斯制约"的概念，并以此来说明人类发展所面临的基本问题。通过人类突破"马尔萨斯制约"的必要性分析，指出了突破这一制约的方式。

Malthus population theory ; Human capital theory ; Sustainable development theory

马尔萨斯人口理论；人力资本理论；可持续发展理论

Then, based on Malthus population prediction model, some new population models are brought in considering more kinds of factors....

再在马尔萨斯人口模型的基础上，引入了考虑众多因素的人口模型，分别基于常微分方程和偏微分方程进行了研究。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。