| 1. | In the earth's interior there are similar channels or low-velocity layers .
在地球的内部有相似的通道或低速层。 |
| 2. | From the study of these , we learnt about the interior of the earth .
通过对这些的研究，我们了解了大量有关地球的内部情况。 |
| 3. | The internal constitution of the earth has been a primary objective of seismologists .
地震学家的主要目标是研究地球的内部构造。 |
| 4. | Internally the earth consists of two parts , a core and a mantle
地球的内部由两部分组成 |
| 5. | The internal structure of the earth ' s poorly understood , or even simply do not understand
对地球的内部构造了解甚少，甚至根本就不了解。 |
| 6. | In addition , the third platform will open a window for a close - up view to the processes in the earth ' s interior
同时，这第三平台还将提供窗口，窥测地球的内部过程。 |
| 7. | Radioactive materials in the rock and increasing pressure in earth s interior produced enough heat to melt the interior of earth
放射性材料在岩石和增长的压力在地球的内部被生产足够的热熔化地球内部。 |
| 8. | Diamonds are formed deep within the earth where heat and pressure create the necessary condition for carbon atoms to bond tightly
钻石在地球的内部深处形成，那里高温和压力为碳原子的紧密结合创造了必要的条件。 |
| 9. | Then the inside of the solid earth became hot and molten causing certain materials to rise to the surface . this probably resulted in the formation of the earth ' s layers
然后，固态地球的内部变得炽热、熔融，引起某些物质上升到地球表面，其结果也许就形成了地层。 |
| 10. | In addition to this emphasis on undersea and space exploration , efforts also are being made to investigate the interior of the earth , knowledge of which still remains relatively limited
虽然将重心转移到深海和太空的探险，人们也正在努力探究地球的内部构造，这方面的知识仍然相当有限。 |
