问题描述：
在mass media相关的讨论中,public,mass,和popular 的概念的各自侧重点是什么?
Please describe the difference emphasis of the concept of the public,mass,and popular,in relation to the discussion of the mass media.
Please describe the difference emphasis of the concept of the public,mass,and popular,in relation to the discussion of the mass media.
问题解答：
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