Shows continue to pursue policy goals in popularity, but also brought attention to the structuralmass, quality issues.
说明政策目标在关注大众化带来的结构、质量问题。
2
The role of bolts is to improve the performance of the structuralmass, weaken the stress intensity at the crack tips and increase the crack propagating loads.
锚杆作用可增强结构体的力学性能，降低裂纹尖端的应力集中现象，提高裂纹尖端裂纹的起裂荷载；
3
As the groundwork and environment of constructions in large scale projects, engineering rock mass is the geological structuralmass composed of rock blocks and discontinuities.