粤港澳大湾区优化发展的关键要素特征及其功能升级

康蕾, 刘毅

The key element characteristics of the optimized development and its function upgrade in the Guangdong-Hong Kong-Macao Greater Bay Area

KANG Lei, LIU Yi

图2 2017年珠三角9市净流入人口数量及人口净流入率

Fig. 2 The number of net inflows and net inflow rate of the nine cities in the Pearl River Delta in 2017