幔壳运动是区域地质环境演变的主导因素。

Mantle-crust movement is the key factor leading to the evolution and change of the regional geological environment.

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由于一些石油勘探区域地质环境相当复杂，以致在确定油田勘探井位时存在一定的盲目性。

As the geological environment in some oil exploration areas is rather complex, there is blindness in determining the well location.

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地理信息系统(GIS)因其具有强大的数据处理功能和空间分析功能，为区域地质环境研究提供了新的研究方法。

Because of powerful data tackling ability and spatial analysis function, Geographic Information System (GIS) provides a new study method for regional geo-environment research.

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