But there is few report on the practice and application of using Orff instruments in the training of mentally retarded children.
但在智力落后儿童中开展奥尔夫乐器教学的训练，却很少见诸实践与运用的报导。
This article develops a research on it, and examines the efficacy of Orff instruments on developing musical intelligence of mentally retarded children.
本文在智力落后儿童中开展奥尔夫乐器教学法的训练实践与运用研究，对其音乐智能开发的研究提出了自己的见解。
This article develops a research on it, and examines the efficacy of Orff instruments on developing musical intelligence of mentally retarded children.
本文在智力落后儿童中开展奥尔夫乐器教学法的训练实践与运用研究，对其音乐智能开发的研究提出了自己的见解。
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