The purpose of the article is to provide the reference model for the research, design and implementation of the precaution system against hacker attack.

目的是为我国黑客入侵防范体系的研究、设计与实现提供一个参考模型。

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And while it's also important on a single-user system, there's nothing wrong with side-stepping the precaution and giving yourself permission to run or open the file in question.

尽管他在单用户系统中也很重要，但即使你避开这些预防措施以给自己足够的权限进行或打开某些关键文件，这也没什么错。

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The New York Police Department (NYPD) issued a statement Monday morning saying it was increasing coverage of the city's subway system as a precaution "in response to the Moscow bombings."

周一早上，纽约市警察局发布声明称，为了防备莫斯科爆炸袭击类似事件发生，该部门正在加大对地铁系统安检的覆盖面。

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Another basic precaution against the small-fry hacker is to turn on security features built into the operating system, Winkler said.

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The system is modeled after military base security protocols in which a color code signifies the level of precaution and perceived threat, according to two officials involved in developing it.

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