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借助灰色线性微分模型，建立了一种新的更直接的文献老化测度方法，并将其与Ｂｕｒｔｏｎ－Ｋｅｂｌｅｒ文献老化测度方法进行了比较，进一步证实了Ｂｕｒｔｏｎ－Ｋｅｂｌｅｒ文献老化测度方法的错误；还探索了文献老化真实规律的若干特征
By means of gray linear differential model, a new and more direct measure of the aging of a document is established and compared with the method of Burton-Kebler literature aging measure, which further confirms the error of the Burton-Kebler document aging measure method. Some characteristics of the real law of aging of literature