Interferon (IFN) system is the first line of defense against virus invasion in vertebrate.

干扰素(IFN)系统是脊椎动物抵抗病毒入侵的第一道防御系统。

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Also the community network will connect to internet, so it is an important requirement to prevent outside hacker, and network virus invasion.

另外，整个网络需要接入国际互联网，因此本方案设计了以下措施防止外部黑客和网络病毒的入侵。

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The paper, through the perspective of principle on virus invasion, tells us how to stay free from the virus and presents the detailed solutions.

本文从该病毒入侵恶意的角度分析如何防范该病毒，并给出具体的解决方案。

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