the economy of mountainous areas

• 山区经济

the economy of mountainous areas的用法和样例：

例句

1. The vulnerable infrastructural facilities are the bottlenecks that constrain the economic development in Wulin Mountain Areas.
   摘要基础设施薄弱是制约武陵山区经济发展的瓶颈。
2. The economic and social development level of these areas, to a certain extent, affects the process of building all Jiangsu into a better-off society.
   丘陵山区经济社会发展水平在相当程度上影响江苏全面建设更高水平小康社会的进程。