网络的攻击与防护是一对矛盾，严格地说，没有绝对的网络安全。
The network attack and its protection are a pair of contradictions. Strictly speaking, there is no absolute network security.
网络的攻击与防护是一对矛盾，严格地说，没有绝对的网络安全。
The network attack and its protection are a pair of contradictions. Strictly speaking, there is no absolute network security.
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