参考文献表按顺序编码制组织时,各篇文献要按正文部分标注的序号依次列出。示例:[1]BAKER S K,JACKSON M E.The future of resource sharing[M].New York:The Haworth Press,1995.[2]CHERNIK B E.Introduction to library services fo...参考文献表按顺序编码制组织时,各篇文献要按正文部分标注的序号依次列出。示例:[1]BAKER S K,JACKSON M E.The future of resource sharing[M].New York:The Haworth Press,1995.[2]CHERNIK B E.Introduction to library services for library technicians[M].Littleton,Colo.:Libraries Unlimited,Inc,1982.[3]尼葛洛庞帝.数字化生存[M].胡泳,范海燕,译.海口:海南出版社,1996.[4]DOWLER L.The research university's dilemma:resource sharing and research in a trans institutional environment[J].Journal Library Administration,1995,21(1/2):5-26.展开更多
The countries throughout the Belt and Road region account for more than 60%of the world’s population and half of the global economy.Future changes in this area will have significant influences on the global economic ...The countries throughout the Belt and Road region account for more than 60%of the world’s population and half of the global economy.Future changes in this area will have significant influences on the global economic growth,industrial structure and resource allocation.In this study,the proportion of the urban population to the total population and the gross domestic product were used to represent the levels of urbanization and economic development,respectively.The population,urbanization and economic levels of the Belt and Road countries for 2020-2050 were projected under the framework of the IPCC's shared socioeconomic pathways(SSPs),and the following conclusions are drawn.(1)The population,urbanization and economic levels in the Belt and Road region will likely increase under all five pathways.The population will increase by 2%-8%/10a during 2020-2050 and reach 5.0-6.0 billion in 2050.Meanwhile,the urbanization rate will increase by 1.4%-7.5%/10a and reach 49%-75%.The GDP will increase by 17%-34%/10a and reach 134-243 trillion USD.(2)Large differences will appear under different scenarios.The SSP1 and SSP5 pathways demonstrate relatively high urbanization and economic levels,but the population size is comparatively smaller;SSP3 shows the opposite trend.Meanwhile,the economy develops slowly under SSP4,but it has a relatively high urbanization level,while SSP2 exhibits an intermediate trend.(3)In 2050,the population will increase relative to 2016 in most countries,and population size in the fastest growing country in Central Asia and the Middle East countries will be more than double.Urbanization will develop rapidly in South Asia,West Asia and Central Asia,and will increase by more than 150%in the fastest growing countries.The economy will grow fastest in South Asia,Southeast Asia and West Asia,and increase by more than 10 times in some counties with rapid economic development.展开更多
文摘参考文献表按顺序编码制组织时,各篇文献要按正文部分标注的序号依次列出。示例:[1]BAKER S K,JACKSON M E.The future of resource sharing[M].New York:The Haworth Press,1995.[2]CHERNIK B E.Introduction to library services for library technicians[M].Littleton,Colo.:Libraries Unlimited,Inc,1982.[3]尼葛洛庞帝.数字化生存[M].胡泳,范海燕,译.海口:海南出版社,1996.[4]DOWLER L.The research university's dilemma:resource sharing and research in a trans institutional environment[J].Journal Library Administration,1995,21(1/2):5-26.
文摘The countries throughout the Belt and Road region account for more than 60%of the world’s population and half of the global economy.Future changes in this area will have significant influences on the global economic growth,industrial structure and resource allocation.In this study,the proportion of the urban population to the total population and the gross domestic product were used to represent the levels of urbanization and economic development,respectively.The population,urbanization and economic levels of the Belt and Road countries for 2020-2050 were projected under the framework of the IPCC's shared socioeconomic pathways(SSPs),and the following conclusions are drawn.(1)The population,urbanization and economic levels in the Belt and Road region will likely increase under all five pathways.The population will increase by 2%-8%/10a during 2020-2050 and reach 5.0-6.0 billion in 2050.Meanwhile,the urbanization rate will increase by 1.4%-7.5%/10a and reach 49%-75%.The GDP will increase by 17%-34%/10a and reach 134-243 trillion USD.(2)Large differences will appear under different scenarios.The SSP1 and SSP5 pathways demonstrate relatively high urbanization and economic levels,but the population size is comparatively smaller;SSP3 shows the opposite trend.Meanwhile,the economy develops slowly under SSP4,but it has a relatively high urbanization level,while SSP2 exhibits an intermediate trend.(3)In 2050,the population will increase relative to 2016 in most countries,and population size in the fastest growing country in Central Asia and the Middle East countries will be more than double.Urbanization will develop rapidly in South Asia,West Asia and Central Asia,and will increase by more than 150%in the fastest growing countries.The economy will grow fastest in South Asia,Southeast Asia and West Asia,and increase by more than 10 times in some counties with rapid economic development.