According to the theory of the course analyses of communication, has analyzed and confirmed four major basic key elements of the influences agricultural extension effect.
根据传播学的过程分析理论，分析确定了影响农业推广效果的四大基本要素。
According to the theory of the course analyses of communication, has analyzed and confirmed four major basic key elements of the influences agricultural extension effect.
根据传播学的过程分析理论，分析确定了影响农业推广效果的四大基本要素。
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