The role of bolts is to improve the performance of the structural mass, 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；

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As the groundwork and environment of constructions in large scale projects, engineering rock mass is the geological structural mass composed of rock blocks and discontinuities.

工程岩体作为大型工程中建筑物的地基和建筑物的环境，是由岩石块体和非连续节理(裂隙)组成的地质结构体。

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Engineers are developing more efficient methods to mass produce non-uniform porous materials and solid foams that can be tailored to specific structural applications.

工程师们正在研发更多高效的方法，批量生产非均匀性多孔材料和固体泡沫，以适应具体的结构应用。

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Foster rethought this completely and realized huge savings in structural mass and energy consumption could be made by shifting the utilities underground, leaving a floating roof and walls that could open to natural daylight.

CNN: ASIANOW - TIME Asia