突发性灾难事件的电视科普节目研究——以5·12汶川大地震央视媒体报道为例
돌발성재난사건적전시과보절목연구——이5·12문천대지진앙시매체보도위례
The Studay on TV program of The Science popularization about disaster——Taking CCTV reporting of 5·12 wenchuan earthquake as a Case
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