regional inequality的用法和样例：
例句
- One of the important reasons for the uneven development of Socio-Economic in Gansu Province is due to the regional diversity of population.
摘要人口发展的区域差异是甘肃省社会经济发展不平衡的重要表现之一，也是其不平衡的重要原因之一。 - In dissimilar areas the seismometry and precursory items that appear more frequently are different, which reveal the regional distinction.
不同的区域异常出现率高的测震和前兆测项不同，显示出区域差异。
