- 更多网络例句与人口集中的大城市相关的网络例句 [注：此内容来源于网络，仅供参考]
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Based on the rising suburbanization in China, this thesis focuses on the unique phenomena of large number of floating population flood into the suburb area. By using the integrated methods and views including sociology, demology, environmental science, the author studies on the causes of a series problems triggered by the huge increasing floating population and tries to use the new thought to resolve the problems.
本论文主要针对近年来在我国许多大城市进行工业郊区化的背景下，流动人口大量向城市郊区农村地区集中这一独特现象进行研究，综合运用社会学、人口学和环境科学的观点和方法，对这一过程中郊区农村因外来流动人口剧增而引发的一系列社会、环境问题的产生原因进行探讨，并寻找解决问题的思路。
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The fourth part, through an analysis of human resources state of the Northeast, we think the human resources of the Northeast have the following several subject problems: The teenage labor population is too big in specific gravity, unfavorable to the sustainable development of economy; Human resources in urban and rural areas to distribute unbalanced, countryside of the right age to overpopulate , can't meet demands of urban economy development , form the labor force of leaving unused at the same time , cause the waste of the human resources ; Human resources industry distribution is unreasonable, the Northeast human resources distribution between the industry of human resources concentrates on primary industry mainly, proportion is too big, and the labor productivity of primary industry is relatively low, do not have enough ability to make the human resources shift to the secondary and tertiary industries, so seem the secondary and tertiary industries to be delayed effect enough.
第四部分，通过对东北地区人力资源状况的分析，我们认为东北地区人力资源存在以下几个主要问题：未成年劳动人口比重过大，不利于经济的可持续发展；人力资源城乡分布不均衡，农村中适龄劳动人口过多，不能满足城市经济发展的需要，同时形成闲置劳动力，造成人力资源的浪费；人力资源产业分布不合理，东北地区人力资源在产业间的分布主要集中在第一产业，比重过大，而且第一产业劳动生产率较低，没有足够的能力使人力资源向第二、三产业转移，因此显得第二、三产业后劲不足。
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La consideration of the heat market in northern cities, the economics of the pool梩ype low temperature heating reactor and the investment of urban heating system, the scale of protype reactor is chosen 200 MW, which will be able to meet the requirement of cities with more than 500 thousands population, and about 2/3 urban heat market can be met.
考虑到国内北京城市集中供热的需求情况及池式低温供热堆的技术经济特性，预计选用200MW作为单堆容量较为合适。它可以满足50万人口以上大城市供热的需要，约占城市总人口数量的2/3以上的需要。在某些地区，选建100MW池式供热难在经济上也是有利的。
- 更多网络解释与人口集中的大城市相关的网络解释 [注：此内容来源于网络，仅供参考]
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megacity：大城市
报告指出,尽管人们的注意力往往集中在人口超过1千万的特大城市(megacity)上,但城市的增长多半将发生在规模较小的城镇. 目前,平民窟在城市比在农村蔓延得更快,10亿人生活在平民窟中,他们中的90在发展中国家. 他们缺乏就业机会,