英语论文网

Generally believed that the city's urban scale refers to the size , which includes the size of the urban population and urban spatial scales two kinds of indicators . Population size is usually the size of a decisive measure of urban indicators .

目前我国根据人口来划分城市规模是按市区非农业人口来定义。20万人一下为小城市，20万人～50万人为中等城市，50万人～100万人为大城市，100万人以上为特大城市。

To divide our country in terms of population size of the cities by urban non-agricultural population is defined . Look for the small city of 200,000 people , 20 million to 50 million for the medium-sized cities , 50 million to 100 million for the city , more than 100 million people in mega-cities .

城市规模的内容包括了城市总规模和单个城市规模两个方面。前者是指一个国家城市的数量，城市人口总量及占全国总人口的比重，它反映的是一个国家的城市化水平。后者是指每个城市的人口数量、用地面积和社会经济实力。

City size includes the total size of the city and the two aspects of a single urban scale . The former refers to the number of cities of a country , the total urban population and the proportion of the total population , it reflects a country's level of urbanization . The latter refers to each of the city's population, land area and socio- economic strength.

随着我国改革开放后的经济发展，大量的农村剩余劳动力从进城打工，逐渐发展到在城市就业、居住，生活、文化等诸多方面与城市逐渐趋同，使城市人口大量增加，城市规模不断扩大。

As China's reform and opening up economic development , a large number of rural surplus labor from migrant workers , and gradually developed into the urban employment , housing, life, culture and many other aspects of the gradual convergence with the city , a substantial increase in the urban population , cities have been expanding ; part of the agricultural population due to non-agricultural land is occupied population , these people are also added to the "working group " the ranks of migrant workers , business, and other long-term residents in the service industry , living in the city , which makes the city the population was further increased. In addition , the new rural urbanization . "Urbanization" of the term also will stand on the mainstream stage.

Urbanization refers are: First, with the development of social productive forces to a certain stage , the agricultural population to cities to become non-agricultural population , and ultimately makes an expanding city , urban continuous development and improvement ; Second: agricultural population into non -agricultural population in situ , thus contributing to the process of urbanization.

To determine whether a city in the urbanization , is available from the following three points of view : one , the city's urban land expanding ; Second, the proportion of the total population of the city increased ; Third, the labor force from the first to the second industry , three industries.

In fact, from the graph we can already clearly see , our country in the past to the present and even the future , urbanization trend is constantly increasing . So far , urbanization maintain a high growth rate. From 1978 to 1997 , 20 years , urban development from the 193 to the 668 . The rising trend of urbanization , the reason , there are many factors , of which two factors are:

From rural areas , due to family planning in rural areas in this respect is not enough, so that the rural population increasing , plus agricultural labor productivity continues to increase, making signif