underpopulation meaning in English

不足量种群
人口不足
人口过少
人口过稀

On the basis of analyzing conditions and the advantages of songjiang new city , the regional support and centrality are researched with interrelated model . in this paper , some problems on the underpopulation , industrial structure , the speed of exploitation and land use are put forward
在分析松江新城的发展现状和优势条件的基础上，利用相关模型研究了其区域支撑和中心性，认为松江新城在人口聚集、产业结构、开发速度和土地利用上存在问题。