The research of the paper centers on the ancient music history of China, excluding the the research of national Musical Instruments.

本文的研究主要集中在中国古代音乐史的范围，不包括民族乐器的研究。

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We have been contributing to the prosperity of national instruments of China with reasonable price, professional standard and high quality services.

我们以合理的价格、专业的水准、优质的服务，为繁荣我国的民族乐器事业而努力！

youdao

We have been contributing to the prosperity of national instruments of China with reasonable price, professional standard and high quality services.

我们以合理的价格、专业的水准、优质的服务，为繁荣我国的民族乐器事业而努力！

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