N次的N用英文全称怎么说
N次的N用全称怎么说
直接读n,不是缩写. n: (MATHEMATICS)[数学] noun [U,不可数名词] 1 used in mathematics to mean a number whose value is not known or not stated: 用于数学表示一个不未知或未给出的数 If 3n = 12, what is the value of n? 如果3乘n =12,那 n是多少? 2 used more generally to represent a number that is not known or exact 比较普遍用来代表未知或不确定的数字 (from Cambridge Advanced Learner's Dictionary)