前言多年来,为了地震预报的研究高灵敏度的应变仪和倾斜仪已经在世界范围内用来连续监测地壳形变。第一台实用的监测固体地球形变的应变仪是由贝尼奥夫(Benioff,1935)研制的。用应变仪和倾斜仪所测量的物理变化是相关的。应变仪可以测出沿仪器长度方向上的水平或垂直位移变化,或在用体积应变仪(膨胀仪)时,可测出相应的体积变化。倾斜仪可测 Preface For many years, the study of earthquake prediction. Highly sensitive strain gauges and inclinometers have been used throughout the world to continuously monitor crustal deformation. The first practical strain gauge for monitoring solid-earth deformation was developed by Benioff (1935). The physical changes measured with strain gages and inclinometers are relevant. Strain gauges can measure horizontal or vertical displacement changes along the length of the instrument, or when using a volumetric strain gauge (dilatometer), the corresponding volume change can be measured. Inclinometer measurable