overriding plate短语¹⁴⁴⁹⁷²⁺² 基本例句 上驮板块,上冲板块 The coupling relation between the directions of the overriding plate extension and oceanic plate motion supports the slab rollback model for the back- arc extension. 本次工作所发现的弧后大陆边缘伸展方向和大洋板块运动方向相吻合，支持弧后拉张机制应为板片后退模式。 fabiao