强子分类，强子的么正对称性，夸克模型。
Classifications of hadrons, unitarity symmetries of hadron, quark model.
进一步给出领头强子的相对产率，同样明显与初始夸克味道和夸克对数n有关。
Moreover, the relative production rates of leading hadrons are obtained, which shows a strong correlation with the quark pair number n.
在高能标度下描述强子的是与探测强子结构的硬过程相联系的QCD部分子模型。
At high energy scale, the QCD parton model, which is relative to the hard process for testing the hadron structure, is used to describe the hadron.
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