首先，分析了媒介议程对公众议程的影响。然后，从传播效果的层次、受众媒介接触时间属性以及信息传播过程的把关行为，详细分析了议程设置理论的特点。

Then, it analyses the characters of the Agenda setting, from the level of the communication effects, the timely character of the public contacting the media and the gate keeping of the media.

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传统理论认为意思表示包括行为意思、表示意思、效果意思和表示行为。

Traditional theory believes that it includes behavior meaning, expression meaning, effect meaning and the behavior meaning.

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考虑到学习情感种类较多，我们只关注焦虑和自我效能感，而这两种因素既在理论上可能与提取抑制相关，本身也对学习行为和效果有较大影响。

The present study was designed to examine whether retrieval inhibition is related to EFL listening comprehension through its connection with emotional factors such as anxiety and self-efficacy.

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