实证结果发现经济增长效率较高的区县呈现了区域性特征。
The empirical study shows that the regional characteristic exists in the regions and counties with higher economic growth efficiency.
快速的城市化进程造成我国城市大气环境污染的区域性特征日益显著并受到关注。
With the rapid development of the economy and urbanization, the regional characteristics of the urban air pollution in China has become dominant, and has attracted more attentions than before.
结果表明：西北地区东部区域性短时强降水事件的天气型有明显的季节性特点和区域性特征。
The results show that the regional short-time heavy rainfall events in the east of Northwest China weather type have obvious seasonal characteristics and regional features.
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