在大洋深处发现了许多原始生命形式。
Many primitive life forms are found in the depths of the oceans.
豆荚状铬铁矿以其独特而稳定的物理化学特性，记录了大洋地幔深部岩浆活动(特别是扩张中心原始岩浆活动)以及大洋岩石圈运动过程。
As podiform chromitite has stable physical and chemical properties, it has recorded the magmatic process of the mantle under the ocean spreading centre and the lateral movement of oceanic lithosphere.
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