| 1. | The average static stress drop is about 90 mpa
平均静态应力降大约为90mpa 。 |
| 2. | The highest static stress drop is 220 m
最大静态应力降达220mpa 。 |
| 3. | Base on it , we track the time and space change of stress drop in research region , and disscuss the evolvement characteristics of time and space of stress drop before jun . 2004
在此基础上开展了该研究区应力降时空变化的动态跟踪工作，最后对研究区2004年6月以前的应力降时空演化特征做了一定程度的探讨。 |
| 4. | To obtain the stress level at the earthquake source , this paper sets forth the solution of the stress magnitude at the earthquake source by seismic stress drop and the stress axis deflections before and after large earthquakes
摘要为求解震源处应力量值，运用大地震造成的应力方向偏转和地震应力降给出了求取震源处应力大小的方法。 |
| 5. | The result shows , the source parameters for example seismic moment , corner frequency and stress drop and so on is relative with magnitude , the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton
分析表明，该地区的地震矩、拐角频率与应力降等震源参数与震级有一定的相关性，应力降的时空演化特征可以作为该地区今后地震趋势预测的一种新手段。 |
| 6. | The pre - seismic and post - seismic stress direction can be statistically determined by a large collection of foreshock and aftershock focal mechanism data while the stress drop can be determined through the source fracture inversion from seismic wave data or crust deformation data
地震前后的应力方向可根据大量前震和余震震源机制统计给出；地震应力降可通过地震波或地壳形变资料的震源破裂反演研究得到。 |
| 7. | In this paper ， based on the method of spectral analysis and the theory of fracture mechanics , by using the broad - band digital data recorded by xi an telemetry seismic network , the stress drop and regional shear stress of moderate and small earthquakes in shanxi province are determined firstly
利用西安数字地震遥测台网记录的宽频带数字地震资料，应用断裂力学理论与谱分析方法，首次测定了陕西地区中小地震的应力降和区域剪切应力值。 |
