The 4-d earthdeformation monitoring network was sep up in North China by using GPS technology.
应用GPS技术在华北布设了一个四维地形变监测网。
2
The fracture surfaces of the focal mechanisms are selected according to the mass moving orientation of earthdeformation field in the Yajiang region in recent period.
根据雅江地区近期大地形变场物质运移方向,选定了震源机制解的破裂面。
3
The earth stress is an essential force causing rock deformation and breakage.