3. Audio-visual classroom construction planning and site selection dust source harmful gas source noise Put an end to etc factories market cinema playground
4. B. Audio-visual classroom structure Audio-visual classroom Big room L ittle room lecture room preparation room
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11. The existing problems of China audio-visual classroom The existing problems Heavy material resources configuration light human resources construction Pay attention to electronic hardware construction despise the audiovisual education software investment The audiovisual education teaching material shortage, quality is not high severely restricts the audiovisual education development
![Government to the requirements of the audio-visual classroom ,[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)