stand-by redundancy

例句：

1. 1.The company has implemented a system to ensure that there is always a stand-by redundancy in case of emergencies.
   该公司实施了一个系统，以确保在紧急情况下始终有备用冗余。
2. 2. The engineers have been working on developing a new model that can provide stand-by redundancy for thepower grid.
   工程师们一直在努力开发一种新的模型，可以为电网提供备用冗余。
3. 3.In this scenario, having a stand-by redundancy is crucial for ensuring that the system remains operational even during times of high demand.
   在这种情况下，拥有备用冗余对于确保系统即使在需求高峰期间也能保持运行至关重要。