in accordance with the natural increase rate of population and the trend for shandong provincial urbanization development in the next several decades, this thesis forecasts the population with water supply in the various towns;

1、

the population of tongcheng city is slowly increasing. the natural increasing rate takes on positive rise, and tongcheng city has not became an aging society yet. 2.

结论1.桐城市人口呈缓慢增长趋势，自然增长率出现正增长，桐城市尚未进入老龄化社会。

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2、

variables involved include population and its natural growth rate, labor division, aggregate output ( investment, consumption and export), price, technology, institution and resource reserve.

模型中的变量包括人口及其自然增长率、分工与从事物质生产的劳动人员比例、经济总产出（投资、消费和出口）、价格、技术、制度、可利用资源总量。

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3、

it draws the conclusion that finds out five main influence factors: female population, urban& rural population, age structure, sex structure and natural growth rate.

运算和系统分析结果显示人口增长的主要影响因素为：女性人口、城乡人口、年龄结构、性别结构和人口自然增长率。

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4、

the hitherto-rapid population growth in the poverty-stricken areas has been on the whole put under control, and the population's natural growth rate has decreased.

贫困地区人口过快增长的势头得到初步控制，人口自然增长率有所下降。

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5、

among of these, number of women at aged 15~ 49, rural population and natural growth rate of population have the largest influence.

其中，15~49岁的育龄妇女、农村人口和人口自然增长率3个因素对总人口和年净增人数影响最大。

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6、

the study shows that the main socioeconomic drivers are the primary industry, the natural growth rate of population and the non-agriculture population.

研究表明主要的社会经济驱动因子为第一产业、人口自然增长率、非农人口。

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7、

the third chapter is related to the natural increase of the population in west han dynasty.

第三章对西汉各时期及整个西汉一代的人口平均自然增长率进行了研究。

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8、

the inherent relationships between the natural rates of growth and the main period of long growth waves

中国自然增长率与经济长波主体的内在关联性研究

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9、

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。

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10、

the natural population growth rate was 10.06.

人口自然增长率为10.06。

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11、

the natural population growth rate was 10.06 ‰.

人口自然增长率为10.06‰。

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12、

furthermore, those methods such as natural growth rate, linear regression and grey gm ( 1,1) were employed to predict parameters relevant to the model.

用自然增长率、线性回归和灰色GM（1,1）预测三种模型对土地利用结构优化多目标模型参数进行预测；

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13、

there are a lot of geographical content, it is the basic embodiment of the physical geography of the basic method.

地理方法内容丰富，基本体现了自然地理学的基本方法。

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14、

the end of qing dynasty is an initiation period of development in china's modern physical geography.

清末是中国近代自然地理学发展的启蒙时期。

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15、

physical geography and agriculture

自然地理学与农业

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16、

from geography go to landscape ecology

从自然地理学到景观生态学

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17、

historical animals' geography is one of the most important parts of environmental system.

历史动物地理研究是历史自然地理学的一项重要内容。

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18、

development of physical geography and establishment of environmental physiognomy

浅论自然地理学的发展与环境地貌学的建立

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19、

the geographical thought is comprehensive, accurate, thorough.

地理思想内容全面、准确、透彻，体现了基本的自然地理学思想。

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20、

physical geography basic for the semi-manual cultivation of tricholoma matsutake

松茸半人工栽培的自然地理学基础

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