Sizing large infrastructures is a science unto itself.

对大型基础结构进行规模评估本身就是一门科学。

Many infrastructures, including laboratories, need to be upgraded.

包括实验室在内，很多基础设施需要更新。

Finally, security metrics aren't adapted to cloud infrastructures.

最后，安全指标没有根据云基础设施进行调整。

Yet the most promising field for now may be physical infrastructures.

不过就目前而言，最有希望的领域或许还是实体基础设施这一方面。

Areas with weak health infrastructures will be the least able to cope.

卫生基础设施薄弱地区将最无应对能力。