But its auxiliary, practical characteristics should be paid attention to when multimedia teaching is used.
但使用多媒体教学应注意它的辅助性、实用性特点。
When Multimedia CAI is produced, some document forms are often used, such as forms of picture, voice, flashing video, cartoon etc.
在制作多媒体CAI课件中，常常会用到一些文件格式，如图象文件格式、声音文件格式及动态视频、动画文件格式。
When Multimedia CAI is produced, some document forms are often used, such as forms of picture, voice, flashing video, cartoon etc.
在制作多媒体CAI课件中，常常会用到一些文件格式，如图象文件格式、声音文件格式及动态视频、动画文件格式。
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