《科学文献半衰期的计算》一文(文中简称“计算”)系10年前的著作,在此期期间,文中的许多论点、论据已被我国多位作者采用。但遗憾的是刘真同志在《图书情报工作》1992年第3期上发表的《对“科技文献半衰期的计算”一文中数学方法的修正》一文(文中简称“修正”)中的修正并不成功,对莫蒂列夫(MOTEB)修正式的理解是不得要领的,且统计学知识 The article “Calculating the Half-Life of Scientific Documents” (herein referred to as “Computation”) was a work published 10 years ago. During this period, many arguments and arguments in the article have been adopted by many Chinese authors. However, it is regrettable that the amendment made by Comrade Liu Zhen in his article “Amendment to Mathematical Methods” in the article “Calculation of half-lives of scientific literature” published in the “Library and Information Service”, 1992, No. 3 Success, no modification of MOTEB’s understanding is to be claimed, and statistical knowledge