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提出了一种利用试件侧表面烧伤色斑来判定试件表层磨削热损伤程度的方法、数学模型及其计算机软件．所建立的模糊聚类模式识别数学模型具有一定的通用性，适合于特征值连续递变的大样本的分级、分类，已被成功地用于切削液的使用效能评价．
A method, mathematical model and computer software for determining the degree of thermal damage on the surface of the test piece by using the burns on the side of the test piece are proposed. The established fuzzy clustering-pattern recognition mathematical model has a certain versatility and is suitable for the classification and classification of large samples whose eigenvalue changes continuously. It has been successfully used in the evaluation of the performance of cutting fluid.