population forecast的例句大全

A Study on Chinese Population Forecast by Time Series Model

中国人口时间序列预测模型的探讨

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The development of the macaque population was forecasted by the method of Leslie Matrix analysis ( table 2 and table 3). There was no significant difference between both forecast and actual values from 1985 to 1987 by Chi-square test ( figure 2).

用莱斯利矩阵对种群发展作预测，将预测值与1985-1987年的实测值作卡方适应性检验，两者无显著性差异。

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The coefficients of canonical discriminant functions showed that the temperature was the most important factor among meteorological factors to forecast the population of the pine sawfly.

典型判别函数表明，温度因子是决定靖远松叶蜂暴发的最主要气象因子。

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In this dissertation, on the basis of forecasting population of Jiangxi by the discrete Leslie model, it get employees in active service and retired employees in pension insurance system, and forecast the balance of society pooling account.

本文利用离散Leslie控制模型对江西未来人口进行预测，并以此为基础得到参保的在职职工和参保的退休职工人数，进而对社会统筹帐户基金结余进行了预测；

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To travel through the forecast, grasp their way, and to explore the basic rules and characteristics of rural population, master the rural population travel rules for travel tools for rural preference based on passenger rail capacity configuration.

通过对出行方式的预测，把握其基本规律和特征，探求农村人口出行规律，掌握农村人口对出行工具的偏好，为农村客运线路运力配置建立基础。

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Study on the forecast of the population dynamics of mandarin vole

棕色田鼠种群预测预报研究

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Historical analysis and forecast of the pressure of population increase on economic development, resources and environment in Gansu Province

甘肃省人口增长对资源、环境、经济发展压力的历史分析及预测

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The analysis and forecast in the scope of population on town planning

城镇规划中人口规模分析与预测

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According to the number of pests trapped per day, the emergence curves of main pests were drawn to forecast the generation, occurrence time and population.

根据每日诱虫数量绘制出主要害虫成虫羽化曲线，据此可以预测害虫的发生世代、发生期和发生量，为科学防治提供依据。

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Life list of Population in pens and the forecast of South China Tiger

华南虎圈养种群的生命表及种群预测

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In 1798 he had forecast a population crash, based on the calculation that it was impossible to improve wheat yields as fast as people made babies ( each new baby can make more babies; each new field of grain leaves less new land to cultivate).

基于小麦产量增速不可能超过新生儿诞生速度的计算结果（每个新生儿都会产生更多的新生儿；每一片新开垦的土地都将减少可耕种的土地量），他于1798年预言了人口危机。

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Use of X-11 Method in Forecast of New-birth population

X&11方法在出生人口数量预测中的应用

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It needs us to deal with the relationship of the WT and environment protection correctly, to define the threshold population of WT, to forecast environmental capacity of WT.

这就要求我们正确处理湿地旅游发展和环境保护的关系，确定湿地旅游的门槛人口，预测湿地旅游环境容量，在开发和保护并重的基础上，不对湿地环境构成危害。

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gm ( 1,1) model of the grey theory was applied to the forecast of the development of population, cultivated land and grain production in yunyang county, chongqing, and the results were analysed.

应用灰色系统理论的GM（1，1）模型分别对云阳县人口、耕地、粮食等进行了预测，并对预测结果进行了分析。

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and according to the forecast results, this article has estimated the optimum population size considering urban economic carrying capacity.

根据预测的结果，文章中计算了基于城市经济承载力的北京市最优人口数量。

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forecast for the population development and urbanization level of ningxia

宁夏人口发展与城市化水平预测

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a neural-network based forecast for aging population trend in china

基于神经网络的我国人口老龄化趋势预测

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Exxon's annual forecast of population, economic growth and even car ownership stoked its interest.

埃克森美孚对人口 、 经济增长以及汽车保有量的年度预测,激起了它投资中国的兴趣.

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Insect distribution type is one of the population attributes, which is of significance either in theoretical ecology or in pest forecast and control.

昆虫的分布型是种群的属性之一，无论在理论生态、虫情预测还是害虫科学治理中，都有十分重要的意义。

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Huzhou Population Growth Forecast Huzhou Research Group of Local Population Prediction

湖州市人口发展预测

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