在英文科技论文中，常遇到数量的倍数和增减等问题，如果表述不当，则会差以毫厘，谬以千里。为了使英文科技论文行文经得起推敲，本文将根据作者在多年编辑工作中接触到的有关数量的大小、范围、倍数和增减等方面的表述问题做些探讨，以期英文科技论文的表述准确、合理。回数 In English scientific papers, often encounter the multiple of the number and increase and decrease and other issues, if not properly expressed, will be the least difference, absurdly miles. In order to make the texts of English scientific papers withstand the scrutiny, this article will discuss the expression of the quantity, the range, the multiple and the additions and deletions of the author according to the author’s years of editorial work so as to accurately describe the English scientific papers ,reasonable. Number back