QA system is one of the most important task of TREC.

问题回答系统是TREC上最重要的一个任务之一。

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Be familiar with NDT QA system and can write related document.

熟悉无损检测质量保证系统，能编制相关文件。

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The method will efficiently improve the practicability of QA system.

该方法的实现将有效提高问答系统的实用性。

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This could include the number of vulnerabilities development groups are introducing into your websites every month, the speed at which issues that do slip through QA are fixed or how many days of the year a particular system is exposed to something serious.

FORBES: 7 Things You Need To Know About Recent Web Hack Attacks