在1798年，托马斯·马尔萨斯写了一篇名为《人口原理》的书。
In 1798 Thomas Malthus wrote "An Essay on the Principle of Population".
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。
This paper analyzes the four methods within Malthus' population theory and summarizes their characteristics.
他受到托马斯·马尔萨斯作品《An Essay onthePrincipleofPopulation》(《人口原理》)的影响，这部著作，马尔萨斯写于1798年。
He was influenced by Thomas Malthus' work, "An Essay on the Principle of Population" written in seventeen ninety-eight.
运用精算学原理预测基金收支平衡，涉及人口预测、个人账户预测、基金收入和支出预测、收支缺口预测等。
Forecast for the funds payment balance with actuary principle encompass population, personal account, funds payment and gap forecast.
根据土地利用、人口密度和公交站点覆盖率确定各交通区的公交分担率，得出交通区公交出行量，再应用最大熵原理进行公交出行分布预测。
According to the land use, population density and coverage percentage of the public transport station, the sharing of public transport among traffic zones and their travel demand can be determined.
利用二次移动平均模型，引入均方拟合误差最小的原理确定出时段数n，对国民经济总收入、人口数量等项目进行了预测。
The total income of national economy and the amount of population are predicted with second-degree moving model and with the principle of least mean square fit error determining designated value n.
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。
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。
The optimal control theory is used to study the accumulation rate and the population growth rate.
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