随着计算机网络应用的日益广泛，网络安全日益成为人们关注的焦点。

Along with the computer network applied increasingly extensive, network security becomes a concern focus day by day.

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随着计算机网络的飞速发展，网络安全日益成为不可忽视的问题。

With the development of internet, the security of network is something important for people to think about seriously.

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在信息安全日益重要的今天，身份识别技术的研究成为计算机安全领域中的一个重要的研究内容。

Nowadays, authentication technique is becoming an important research content in computer system security field when information security is more important.

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