Based on regional industry, the different characteristics of population gathering dint between urban industry and rural one are elaborated.
以地域工业为着眼点，力图阐明城市工业和乡村工业在人口集聚力方面的不同特性。
Conclusion The immunization coverage rates of vaccines was low for floating children in migrant population gathering area, and comprehensive measures should be put into effect.
结论流动人口聚集地区流动儿童免疫规划疫苗接种率低于本地常住儿童，需加强综合管理措施。
The so-called population urbanization not only means the increase in the numbers of cities and population, but also the tendency and process of the mass population gathering towards big cities.
所谓人口城市化不仅表现在城市数量的增多与城市人口比重的提高，而且还表现为众多人口日益向大城市聚集的趋势和过程。
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