regional stratigraphic correlation

例句：

1. 1. Theregional stratigraphic correlation of the tworocks is crucial for understanding their formation processes.
   这两种岩石的区域地层对比对于理解它们的形成过程至关重要。
2. 2. The study of regional stratigraphic correlation has greatly advanced our understandingof Earth's history.
   区域地层对比研究极大地增进了我们对地球历史的理解。
3. 3.In this study, we focused on theregional stratigraphic correlation between the tworegions to identify potential sources of pollution.
   在本研究中，我们专注于两个地区之间的区域地层对比，以识别潜在的污染源。