The teaching theme is small. Compared with the broader traditional teaching classroom, the teaching topic of micro-course is short, the goal is clear, and the subject is outstanding. In terms of size, the total capacity of micro-course video and supporting auxiliary resources is generally in the tens of megabits, video format must be supporting online network playback of the media format, teachers and students can smoothly watch online, view lesson plan, courseware and other auxiliary resources, but also flexible and convenient to save it to the terminal device to achieve mobile learning, very suitable for teachers to observe, evaluate, reflect and research.
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