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拐点,一个近来被中国纺织工业协会会长杜钰洲高频率提及的字眼,成为了行业内外热议的话题之一。究其本源,拐点在数学意义上是二阶导
An inflection point, a phrase recently mentioned by Du Chau, chairman of China National Textile and Apparel Council, has become one of the hot topics both inside and outside the industry. Investigating its origin, the inflection point is the second-order guide in the mathematical sense