这从一个侧面反映出边缘海洋壳与大洋壳本质上的差异。
From one side this reflects a difference between the properties of the marginal sea crust and ocean crust.
主要活动地区是太平洋西北边缘地震带和大洋岛弧地震带。
The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.
边缘海洋壳是玄武岩浆侵入并吞蚀破碎的大陆边缘地壳后形成的不同于大洋壳的新型洋壳。
The marginal sea crust is another kind of oceanic crust, which was formed after the basalt magma engulfed and devoured the tattered continental margin crust.
南海是东亚大陆边缘的巨型陆缘海，属大陆—大洋过渡型地壳构造区。
The South China Sea is a huge marginal sea at East-Asian continental margin, and a tectonic region of the transitional crust type from continental to oceanic.
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。
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。
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.
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