电视教材与电视剧相比,在观看条件、观看要求方面都存在着很大差异。目前电视剧多以家庭为单位观看,强调情节、故事性,观看距离接近,而对每一个细节,每一幅画面的各个部分并不要求看得清楚。电视教材则不然,它多以班级为单位(甚至更大规模的)集体观看,尤其电视教材的字幕多是为概括内容、强化重点、难点而设计、使用,要求使每个字都让观看者看得清楚,而我们人眼的分辨率是有限的,所 TV teaching materials and television drama compared to viewing conditions, viewing requirements are very different. At present, most television shows are family-based, emphasizing the plot, the story, and the viewing distance. For each detail, each part of each picture does not require to be clearly seen. Television teaching materials, on the other hand, tend to be viewed collectively as a class (even larger scale). In particular, most subtitles of TV textbooks are designed for use in generalization, emphasis and difficulty, and require that every word be given to viewers Clearly, the resolution of our human eyes is limited