(The technical requirements proposed in this specification include three aspects: 1) technical requirements for supporting components and equipment of the information system; 2) technical requirements for the security of the physical environment where the information system is located; 3) technical requirements for physical security to ensure the reliable operation of the information system. The security level technical requirements for equipment physical security, environmental physical security and system physical security determine all the basic physical technical requirements that are necessary and satisfied to maintain the safe operation of information systems.)
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