In the third chapter, a new auxiliary function method is proposed, and then a stretching function technique is used to modify the objective function with respect to the obtained local minimum.

第三章给出一类新的拉伸函数，其从原函数的一个局部极小点出发应用拉伸函数法修正目标函数。

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The modifying function of cuticle layer of human hair and wool by stretching and stretching setting treatment has been studied and analyzed through scanning electric microscopy (SEM).

通过扫描电镜观察分析拉伸及拉伸-定型处理对人发及羊毛鳞片层的改性作用。

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