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对同异反传递通道适当加权和调控，则可提高课堂教学效率。
The classroom instructional efficiency can be promoted by properly weighting, adjusting and controlling their transmitting passageways.
音乐与听众是有特定意义的一个集合对，音乐的艺术性具有同异反特征。
Music and audience is a set pair with particular meanings. The art of music has the similarities, differences and counter features.
结果表明：课堂教学信息经一般的同异反传递后，其教学效率都比较低。
The research results show that if the classroom instructional messages are transmitted in an ordinary way of identity, discrepancy and reverse, the teaching is relatively inefficient.
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