辽河盆地东部凹陷是在晚白垩世—古新世区域隆起背景上形成的新生代板内裂陷。
The east depression of Liaohe Basin is a Cenozonic intra continental rifting basin formed on the late Cretaceous Paleocene regional uplift.
古近系原始地层厚度分布反映出东濮凹陷在古近纪具有裂陷盆地的构造古地理特点，但是古近纪不同时期裂陷盆地的特征有明显的差异。
The distribution of original stratigraphic thicknesses shows that the Dongpu Sag was a rifted basin in the Paleogene, while the characteristics of different periods were obviously different.
古果属茎枝细弱、叶子细而深裂、叶柄基部多膨突等特征，反映了该属的水生草本特征。
The delicate stems, thin and highly dissected leaves and swollen bases of the leaf stalks imply Archaefructus as aquatic and herbaceous angiosperms in nature.
应用推荐