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防火墙技术
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防火墙技术
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防火墙技术
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firewall
防火墙技术
位于两个信任程度不同的网络之间(如企业内部网络和Internet之间)的软件或硬件设备的组合,对两个网络之间的通信进行控制,通过强制实施统一的安全策略,防止对重要信息资源的非法存取和访问以达到保护系统安全的目的。
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underground concrete-gunite truck
underground concrete-mixer truck
underground cultural and educational facilities
underground deep stormwater storage tunnel
underground diaphragm wall
underground diaphragm wall foundation
underground drilling
underground driving system
underground dump truck
underground economy
underground electromagnetic wave method
underground elevating platform vehicle
underground energy storage system
underground engineering geophysical exploration
underground engineering support
underground engineering survey
underground equipment pinpoint
underground explosion
underground explosion-proof operation safety
underground explosive magazine
underground explosives charging vehicle
underground expressway
underground facilities for urban lifeline system
underground facilities protection
underground facility
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