| 1. | He ' s over the hydrothermal vents , mid - atlantic ridge , 在大西洋中脊的地热火山附近 |
| 2. | Chemical compositions of hydrothermal outcrops of the mid - atlantic ridge menez 格文热液露头的化学成分 |
| 3. | The floor of the atlantic ridge in the middle from north to south 大西洋洋底在中部形成由北向南的海脊。 |
| 4. | The floor of the atlantic ridges in the middle from north to south 大西洋洋底在中部形成由北向南的海脊。 |
| 5. | The island nation is actually the top of one of the mountains in the mid - atlantic ridge , one of the longest chain s of mountains in the world 这个岛屿国家其实是大西洋中脊的一座高山的峰顶,大西洋中脊是全球最长的山脉之一。 |
| 6. | Comparing them predicted fromgeological data in millions of yearsdisplays the present - day motion characteristics of the mid - atlantic ridge that the mid - ridge of the south atlantic , whose spreading is slowing down , spreads faster than the north atlantic , whose spreading is speeding up ( 5 )首次给出了大西洋中脊现今实测扩张运动速度,且南大西洋中脊扩张速度大于北大西洋中脊。与几百万年地质资料估算结果相比,南大西洋中脊在减速扩张,北大西洋中脊在加速扩张。 |
| 7. | ( 4 ) the collision zones of eurasia are very complicated due to the extrusion of continent lithospheres and the subduction between the oceanand continent lithospheres , and we analyze the mutual effects of different lithospheres and the crustal deformation features of collision zones ( 5 ) firstly we give the present - day spreading velocity of the mid - atlantic ridge ( 4 )系统分析了欧亚碰撞带大陆与大陆和大洋与大陆两种截然不同的岩石圈挤压与俯冲对欧亚板块的影响及其边界地壳形变特征。 |