青东凹陷是济阳坳陷的一个次级构造单元，位于渤海浅水海域。
Qingdong sag is a secondary structure unit of Jiyang depression and lies in Bohai shallow sea waters.
泌阳凹陷是南襄盆地中的一个次级构造单元，为一南断北超式箕状凹陷。
Biyang depression is a secondary structural unit in Nanxiang Basin. The depression is in half-graben shape which faulted in the south part and overlapped in the north part.
鲁西隆起和济阳坳陷是华北板块两个非常重要的次级构造单元，也是中国东部伸展体系的重要组成部分。
Luxi uplift and Jiyang Depression are two very important inferior tectonic unit of North China Plate and are important parts of extensional tectonic system in eastern China.
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