Compatibility of skills and training order, that is, learning clarinet can be compatible with saxophone, but not the other way around.
能力的兼容性和培养顺序，即学习单簧管可以兼容萨克斯，反之则不可以，先学习单簧管，后学习萨克斯。
Compatibility of skills and training order, that is, learning clarinet can be compatible with saxophone, but not the other way around.
能力的兼容性和培养顺序，即学习单簧管可以兼容萨克斯，反之则不可以，先学习单簧管，后学习萨克斯。
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