【摘要】 改革开放以来,兰州市人口数量、质量都发生了不小的变化。本文利用统计资料、人口普查资料分析了兰州市人口变化的特点,并提出了一些建议。更多还原

【Abstract】 The population quantity and qualit y have changed very much in lanzhou from 1978.This artic le analyzed the population character of lanzhou by using census material .According to the character ,the author give some sugg estions.更多还原