人口密度
density of population;population density
～比较指数comparative density index/人口稠密地区densely populated area;thickly inhabited district/人口过密地区heavily populated area/人口稀疏地带sparsely populated area
人口密度rén kǒu mì dù
指一定地理范围内人口数与相应土地面积的比率，它反映一个国家或地区人口分布的稠密程度。density of population, population density