The prestressed anchor cable is to exert prestressed tension on unstable rock mass or structure to improve anti-slide capacity and structural stress of unstable rock mass.
预应力锚索是针对可能不稳定的岩体或建筑物基础施加预应张力，以提高不稳定体的抗滑能力和结构力。
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Spikes typically occur in conjunction with underlying structural shifts in the global economy, rendering model projections and trends unstable.