sparsely populated areas meaning in English

人口稀少的区域

The organization of districts that meet the criteria suggested would make it possible to resolve the small - school problem in all except isolated and sparsely populated areas where such schools may have to be continued regardless of higher costs
按照提出的标准进行校区的划分可能会解决地区内学校规模小的问题，但在与外界隔绝、人口稀少的地区，尽管花费比较大，规模小的学校可能还得继续办下去。