人口中心 meaning in Chinese

population center

Busy airports often owe their success to their proximity to large population centres
繁忙机场之所以成功通常由于它们接近大的人口中心。
A population center , often incorporated , larger than a village and usually smaller than a city
镇人口中心，通常为合法实体，比村庄大但通常比城市小
Some suggested to set standards expectations for triggering review , e . g . maximum travel time between major activity population centres
有人建议订定触发检讨的标准或期望，例如主要活动与人口中心之间的最长行程时间。
Census micro data ( 1850 , 1860 , 1870 , 1880 , 1900 - 1920 , 1940 - 2000 ) are available from minnesotta population center , university of minessota . the entire 1880 us and 1881 canadian censuses are also available from north atlantic population project
原始个别普查资料（ 1850 , 1860 , 1870 , 1880 , 1900 - 1920 , 1940 - 2000 ）可于明尼苏达大学的明尼苏达人口中心查得。由“北大西洋人口计划”亦可查到1880年全年的美国普查与1881年的加拿大普查资料。