| 1. | In pure seismology, the ground motion is generally expressed by its amplitude .
在纯粹地震学中，地面运动一般以振幅表示。 |
| 2. | 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。 |
| 3. | For further analysis of seismological interest, specific symmetries of the media need to be considered .
为了进一步分析在地震学方面具有重要意义的问题，必须考虑介质的特定对称性。 |
| 4. | The instruments used by seismologists have been carefully designed for the specific research interests of geophysicists .
地震学家使用的地震仪是为地球物理学家所研究的特定课题而精心设计的。 |
| 5. | Here we discuss only two special types of wave propagation problems that have a direct bearing on both theoretical and applied seismology .
在这里我们只讨论和理论地震学及实用地震学都有直接关系的波动传播问题的两个特例。 |
| 6. | This mass line in earthquake forecasting not only cuts losses in life and property but also provides data for new progress in seismology .
地震预报走群众路线不仅减少了人民生命财产的损失，而且也为地震学的新发展提供了资料。 |
| 7. | But economics is even harder than meteorology or seismology
但经济学比气象学及地震学更难。 |
| 8. | Study on military applied seismology
军事应用地震学研究 |
| 9. | Northwestern seismological journal
西北地震学报 |
| 10. | So we think we understand it better than we did before this observation , " seismologist paul silver said
因而我们想我们会比我们在这观察前理解的去更好地理解它, "地震学家保罗西维尔说。 |
