In the symbolic system of document transmitting, im age symbols possess a special transmitting power, and it plays a major role in the popularity of academic knowledge and the education of the masses.

在“文献”的传播符号体系中，图像符号具有特殊的传播力，尤其是在学术文化知识的普及传播与大众教育方面，起着非常重要的作用。

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