In contrast, a system may require identifying information in order to handle matters such as security or quality of service.

相比而言，为了处理诸如安全或服务质量之类的事情，系统就需要标识信息了。

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HACCP system was an ideal quality management control one of sanitation security of food instead of traditional method.

HACCP系统是一种理想的、替代传统质量管理方法的食品卫生安全预防性管理控制系统。

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There are many factors threatening the enterprises information systems, such as disasters, system security problems, system mistakes and quality problems.

对企业信息系统安全构成威胁的因素很多，包括灾难、系统安全问题、系统错误与质量问题。

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Security screening has tightened, as Congress debates how to revamp the system while attracting a higher-quality, better-trained work force.

CNN: The question remains: Can we ever be safe?