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所谓教师在电化教学中对电教媒体的监控能力，是指教师为了保证教学的成功，达到预期的教学目标，在教学前根据教学内容、目标选择电教媒体，在教学中恰当选择电教媒体的应用时机能力。实践证明，教师在课堂教学中正确的选择、适时有效地应用媒体在一定程度上能节约时间，提高
The so-called teacher’s ability to monitor the audio-visual media in audio-visual education refers to the time when the teacher is trying to ensure the success of the teaching and achieve the desired teaching goals. Before the teaching, the audio-visual media is selected based on the teaching content and objectives, and the appropriate application of audio-visual media in teaching is appropriate. ability. Practice has proved that teachers’ correct choices in class teaching and the timely and effective application of media can save time and improve