多媒体CAI课件 multimedia CAI courseware ; Multi-media CAI lesson piece ; mulltimedia CAI

网络多媒体cai课件 web-based multimedia cai courseware ; web multimedia cai courseware ; network multimedia cai courseware

多媒体cai课件 computed assisted instruction courseware ; multimedia cai teaching lesson ; multimedia instruction file cai ; cai multimedia teaching software

多媒体cai课件制作 making multimedia cai courseware

多媒体CAI课件制作 making of multimedia CAI courseware