objective zone造句

the objective zone of this paper is fula depression that locates at the northeastern muglad basin in sudan . the target formation is from abu garbra formation to darfur group
本论文研究区fula凹陷为苏丹muglad盆地六区的一部分，目的层段为白垩系的abugarbra组至darfur群。
It's difficult to find objective zone in a sentence. 用objective zone造句挺难的