This thesis firstly introduces the manifestations of vulgarization of the mass media.

本文首先介绍了大众传媒低俗化的表现方式。

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This thesis firstly introduces IDS fundamental, hacker attack principle and common attack methods.

本文首先介绍了关于入侵检测的基本原理，黑客攻击原理和常用方法。

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This thesis firstly introduces the differences between the modern logistics and the traditional transportation services.

本文首先论述了现代物流服务与传统运输服务的区别。

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