Many office buildings already use this technology to guard against an airborne threat.

许多办公室建筑物已使用该技术防范空袭威胁。

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Under diverse network environment circumstances, Nanjing University of Technology effectively guard against the ARP attack with the integrated use of three approaches to preventing the ARP attack.

在不同网络环境条件下，综合使用三种防范ARP攻击的方法，南京工业大学有效的防御了ARP攻击。

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Hackers of the world is like? What technology they use those tools to attack their targets, how they think they are kind, and so what we have to guard against hackers.

黑客的世界是什么样的？他们用什么技术，那些工具来攻击其目标，他们的想法又是怎么样的，而我们又怎么样来防范黑客的攻击。

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Obviously, we must do more to guard against espionage, but we also must respond by creating a new technology gap.

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