So you need to maintain physical security of the system hosting the software and any backups to that system.

因此您需要维护在其中托管了软件以及任何系统备份的系统的物理安全性。

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Architects, however, need to understand the physical layer in order to avoid network bottlenecks and security exposures.

但是，架构师需要了解物理层以避免网络瓶颈和安全暴露。

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Through analysis of the need of grid security, checking grid security by different aspects, the physical and logic views of grid security model were presented.

通过对网格安全需求进行分析，从不同角度观察网格安全，抽象出网格安全模型的物理视图和逻辑视图。

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The new security architecture will need to be separated from the physical infrastructure underneath, and it will need to be much more distributed.

FORBES: A World of Rich Media

While the 'ndrangheta threatens, strikes and keeps business under siege, the state fails in its duty to guarantee the physical security that firms need.

ECONOMIST: Doing business in a lawless part of Italy