A steep slope zone is recognized between the central uplift and the eastern depression and can be classified as a slope break zone resulted from the double action of tectonism and erosion.

• 研究发现，在盆地中部隆起与东部坳陷之间存在着一个陡坡带，可将其归为构造与侵蚀双重作用成因的坡折带。