Measuring stress changes within seismically active fault zones has been a long-sought goal of seismology. 测量活动地震断裂带内的应力变化是地震学的长期努力目标。
The acoustic emission system as a technique for the monitoring of stress change in a rock mass has now become mature. 声发射系统作为一种探测岩体内部应力变化的技术从其诞生到现在已逐渐成熟。