Where an oceanic plate is sinking beneath a less dense continental plate at a subduction zone, the region of raised elevation between the fore-arc and back-arc basins, where magma is rising.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。