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电大采用以广播录音电视录像为主要教学手段的多媒体教学形式,这些现代化教学手段的采用,与其它教学形式比较,具有许多优越性,但与传统教学形式比较,也有其不可克服的缺陷,如声音图象失真,因不能象文艺节目那样采用更多的艺术手法加以弥补,因而学生感到枯燥、呆板;屏幕大小有限,图形和文字不能滞留,学生听课时,无法通过对比进行联想,因而限制了学生的积极思维活动,讲课教师和学生分离,教师得不到学生听课情况的反馈信息,学生也无法参与教学活动,因而不能强化教学过程,使整个教学活动处于静态注入状态。这些都是
The RTVU adopts the multimedia teaching form which takes the broadcast video recording as the main teaching method. The adoption of these modern teaching methods has many superiorities compared with other teaching forms. However, compared with the traditional teaching forms, there are also some insurmountable defects such as sound Image distortion can not be compensated by more artistic techniques like the programs of the arts, so the students feel dull and dull; the screen size is limited, graphics and text can not be retained, and students can not associate with the lecture by contrast, thus limiting the students Positive thinking activities, teachers and students separated from teachers, teachers can not get the feedback information of students attendance, students can not participate in teaching activities, and therefore can not strengthen the teaching process, so that the entire teaching activities in a static state of injection. all these are