Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deeptectonic regions.
深部构造区域巷道应加强顶板与肩角围岩控制。
2
The numerical simulation of this paper is of significance in understanding the deeptectonic background of the generation of Yanshan movement.
文中数值模拟工作对进一步理解“燕山运动”发生的深部背景即来源于软流圈的贡献有一定的意义。
3
Finally there are those-a great many, but normally deep under the ocean-formed at the spreading ridges where tectonic plates pull away from each other and new crust is formed.