At this point, we have only to exchange the caller's role with a local service identity and we use an AAA Info file to do that.

在这一点上，通过本地服务身份我们只交换调用方角色，且我们使用AAA信息文件来这样做。

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With more application systems joining unified identity authentication serve, this system will play a more important role in the CERNET info security architecture. And network management is simpler.

随着更多的应用系统加入到统一认证服务，本系统将会在教科网的信息安全体系中发挥更重要的作用，而且网络管理更加简单。

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Data mining techniques can be used to find out potential and useful knowledge from the vast amount of data, and it plays a new significant role to the stored data in the info-times.

数据挖掘技术可以从大量数据中发现潜在的、有价值的知识，它给人们在信息时代所积累的海量数据赋予了新的意义。

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