| 1. | Strains in the earth's crust seem to pile up .
地壳的应力似乎一直在积聚着。 |
| 2. | Seismic sections show the response of the earth to seismic waves .
地震剖面是地壳对地震波的响应。 |
| 3. | Stratigraphy studies the sequence of the rocks in the earth's crust .
地层学研究地壳中岩石的层序。 |
| 4. | We will now treat some examples of the temperature field in the crust .
现在我们讨论一下地壳温度场的某些例子。 |
| 5. | Depths of these hypocenters concentrate at about 12km deep in the upper crust .
这些震源深度集中在地壳上部约12公里处。 |
| 6. | Under heat and pressure, rocks of the earth's crust move slowly and gradually .
在热和压力的作用下，地壳的岩石缓慢而逐渐运动着。 |
| 7. | Geological tests must be carried out to find the point at which the earth 's crust is thinnest .
必须进行地质试验，以找到地壳最薄的地点。 |
| 8. | The continental crust is much thicker than average beneath the great mountain belts .
在高山地带下面的大陆地壳，其厚度要比平均厚度大得多。 |
| 9. | Numerical values of the temperatures below the crust can still be given only within broad limits .
地壳以下温度的具体数值只能给出粗略的估计。 |
| 10. | Transfer of heat by conduction governs the thermal conditions within almost the entire crust of the earth .
传导传热控制着几乎整个地壳的热状态。 |
