THOMAS MALTHUS first published his “Essay on the Principle of Population”, in which he forecast that population growth would outstrip the world’s food supply, in 1798.
托马斯马尔萨斯在1798年首次发表的《人口论》中,他预测,人口的的增长将超越世界粮食供应能力.
There being a "collapse of civilization" or "rapid population decline" might be a better forecast.
若说会出现“文明崩溃”或“人口急剧下降”,那还更有道理。
The forecast rise in world's population, from just under 7 billion at the start of 2011 to just over 9 billion in 2050, is the equivalent of two extra Indias.
据预测,全球人口将从2011年初的不到70亿,增加到2050年的90亿,相当于增加了两个印度的人口。
By analyzing the characteristics of Chinese population structure, the development trend in Chinese pharmaceutical market was forecast.
通过分析我国人口结构特点,预测我国药品市场的发展趋势。
THOMAS MALTHUS first published his "Essay on the Principle of Population", in which he forecast that population growth would outstrip the world's food supply, in 1798.
托马斯马尔萨斯早在1798年发表的《人口论》中预测,人口的的增长将超过世界粮食供应能力。
The validity of these data is sufficiently verified by the population prediction for the past 25 years the yearly forecast accuracy of the total population being within 1%.
其有效性通过过去25年人口预测得到了验证,其中每年总人口的预测精度基本上在1%以内。
The annual population dynamics of rodents generally is the key for forecast.
鼠类种群年度动态是预测的关键。
Through analyzing their characteristic and scope of application, the article makes up the deficiency of the commonly used population forecast method.
通过分析它们的特点及适用范围,补充了常用的人口预测方法的不足。
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。
Some Suggestions for the pest forecast and control were also brought forward based on the characteristics of the pest population dynamics and distribution in the direct seeded rice field.
根据直播稻区稻水象甲种群动态和分布特点,提出了相应的虫情调查和测报防治建议。
We found that the gravity model improved the modeling method for the future mortality of our country, and provided a more accurate forecast for the future mortality rate of China's population.
研究发现,引力模型改进了我国人口未来死亡率建模的方法,提供了更准确的预测。
To forecast the outbreak of pest insects is based on the estimation of population density.
准确估计害虫种群密度是进行虫害预测预报的基础。
This paper analysis the types of rodent population dynamics and models about forecast are also introduced.
本文分析了草原害鼠年度波动类型,影响鼠类波动的因素,以及不同预测模型的特点。
Study of population size hierarchy is the groundwork of the city planning. It is important to the population forecast of cities and urban system planning.
城市规模分布研究是城市规划中的一项基础性研究工作,对准确预测城市人口规模以及合理确定城镇体系结构具有非常重要的意义。
The changes of average income a year of urban population in Shanghai and cities and towns are analyzed and forecast. According to the international universal purchasing power coefficient R.
接着分析和预测了我国城镇和上海市居民家庭年均收入变化情况,并根据国际通用的购买力系数R,对普通家庭购买经济型轿车能力及形成年份作了预测。
And we forecast the vehicle population from 2007 to 2017 by use of multi-linear regression model.
并应用多元线性回归模型预测了2007年到2017年的汽车保有量。
There are many ways and means to forecast population of which system Dynamics is the one, system Dynamics has many advantages of solving the problem on complex system.
用于人口预测的方法很多,系统动力学仿真便是其中的一种,该方法在解决复杂系统问题时具有多方面的优势。
Through that model, we get the model of forecasting of vehicle population and forecast the number of vehicles from 2007 to 2017.
通过对我国未来2007年到2017年汽车市场供给规模的预测,并将之与汽车市场需求规模对比,找出之间存在的差异。
The influence of diapause on the population dynamics of tile pest and the significance in pest forecast are discussed.
本文最后讨论了该虫滞育形成和解除的特点对发生规律的作用及在测报上的意义。
Typhoon Muifa is forecast to hit China late Saturday or early Sunday close to Shanghai a commercial hub with a population of 23 million.
台风梅花预测将在周六晚上或周日上午开始接近中国的商叶中心上海。
Typhoon Muifa is forecast to hit China late Saturday or early Sunday close to Shanghai a commercial hub with a population of 23 million.
台风梅花预测将在周六晚上或周日上午开始接近中国的商叶中心上海。
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