the leading urban area of Chongqing

• 重庆市主城区

the leading urban area of Chongqing的用法和样例：

例句

1. The date in this dissertation is from a spot check of households in the main city zoon of Chongqing.
   此实证分析的数据来自对重庆市主城区居民家庭的抽样调查。