Language:Chinese.SoftCover.Pub Date:2017-02-01.publisher:China Standard Press. China quality Inspection Press.description:Paperback. Pub Date: 2017-02-01 Pages: $number Language: Chinese publisher: China National Standard Publishing House information security exists and is used in the triple space of natural space. social space and cyberspace. The security of informatio
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Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback. Pub Date: 2017-02-01 Pages: $number Language: Chinese publisher: China National Standard Publishing House information security exists and is used in the triple space of natural space. social space and cyberspace. The security of information itself exists in all triple space. and the information system security exists in social space and cyberspace two . Seller Inventory # DP051644