While it is shown that the break propagation speed Cb together with the break plane area may be the third key parameter influencing definitely the time form of unloading function at the source.

• 也阐明了断层的破裂速度连同断层面积一起应是第三个重要影响参量，因为它对震源处卸载的时间函数的形式有决定性的影响。