盆地南部延长组的沉积就是在上述区域地质背景下形成的。
The sediment of south Ordos basin was formed in this regional geological background.
两个矿带成矿作用的差异，主要与所处的区域地质背景不同有关。
The difference of these two belts in mineralization is mainly related to the different regional geological setting.
论文首先系统地阐述了海子山自然保护区的区域地质背景和地理环境。
Firstly this thesis systematically expounded the regional geological background and geographical conditions in Haizishan Natural Reserve.
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